Top 10 Best Helmet Modular That Will Blow Your Mind

Riding safely and comfortably often comes down to the right helmet choice. For those who want the convenience of a full-face helmet with the flexibility of an open-face, a modular helmet can be the perfect solution. The best helmet modular models combine protection, comfort, and user-friendly features.

The best helmet modular models combine protection, comfort, and user-friendly features. They are designed for riders who need versatility—whether commuting in the city or taking longer trips. These helmets typically offer a flip-up chin bar, allowing you to switch between styles without changing gear.

This review will help you understand what sets the best helmet modular options apart. We will cover safety features, comfort levels, ventilation, and ease of use. By the end, you’ll have a clearer idea of which modular helmet might fit your needs and riding style.

Discover Top Picks for Ultimate Safety and Convenience on the Road

Image	Product	Price
Our Recommended 1	ILM Motorcycle Dual Visor Flip up Modular Full Face Helmet	Check Price
Our Recommended 2	HJC i91 Solid Modular Motorcycle Helmet with HJ-33 Pinlock Shield,	Check Price
Our Recommended 3	LS2 Helmets Advant II Modular Motorcycle Helmet W/SunShield (Gloss Jeans	Check Price

1. ILM Motorcycle Dual Visor Flip up Modular Full Face Helmet

Experience enhanced safety and convenience with the ILM Motorcycle Dual Visor Flip-up Modular Full Face Helmet. Designed for riders seeking reliable protection combined with practical features, this helmet offers a versatile solution for various riding conditions. Its modular flip-up design allows effortless transitions between full-face coverage and open-face comfort.

Built with precision, the helmet meets strict FMVSS-218 and DOT safety standards, assuring dependable protection on every ride. The combination of high-resistance ABS shell and adjustable straps provides a secure and comfortable fit throughout your journey.

The ILM helmet features a lightweight and aerodynamic structure that significantly reduces wind noise, contributing to a more enjoyable riding experience. Its dual visor system includes an anti-scratch, anti-fog clear visor that ensures a wide, unobstructed view under varying weather conditions.

Comfort is enhanced with removable and washable liner and cheek pads made from soft materials. The micrometrically adjustable strap adds to the helmet’s customizable fit.

Its design suits both daily commuting and long-distance riding, making it an excellent choice for riders demanding both safety and flexibility.

Compared to many modular helmets in the market, this model stands out with a strong safety rating and thoughtful features that elevate user experience without adding unnecessary bulk or weight. It strikes a fine balance between protection and practicality, catering to riders who want modular functionality without compromising stability.

Pros

• Meets FMVSS-218 and DOT safety certifications for reliable protection
• Modular flip-up feature offers versatility and easy use on the go
• Lightweight design reduces wind noise and enhances comfort

Cons

• Limited color options may not suit every rider’s preference

The ILM Motorcycle Dual Visor Flip-up Modular Full Face Helmet provides a solid combination of safety, comfort, and flexibility. Its durable build and user-friendly features make it an excellent helmet for riders prioritizing protection without sacrificing convenience.

Ideal for a wide range of motorcyclists, it stands as a noteworthy choice among modular helmets.

2. HJC i91 Solid Modular Motorcycle Helmet with HJ-33 Pinlock Shield,

Designed for riders who demand safety and comfort, the HJC i91 Solid Modular Motorcycle Helmet combines reliable protection with modern features. Its modular design offers versatility, making it suitable for various riding conditions and preferences.

Equipped with an advanced polycarbonate composite shell, this helmet delivers a lightweight yet sturdy build. The inclusion of a Pinlock-ready HJ-33 shield enhances visibility by reducing fogging, while the dynamic sun visor adds extra convenience during bright rides.

The HJC i91 stands out with its DOT certification, meeting rigorous safety standards that protect against impact and penetration. The helmet’s exterior shell benefits from CAD technology for precise engineering and a comfortable fit without excess weight.

Its anti-scratch sun visor adjusts smoothly to block sunlight effectively while remaining durable against wear.

Inside, moisture-wicking liners keep the rider cool and dry even on long journeys. Removable and washable cheek and crown pads simplify maintenance and offer personalized comfort with interchangeable sizes.

Features like glasses grooves cater to riders who wear eyewear, ensuring a snug and irritation-free fit.

Ventilation is expertly managed through the Advanced Channeling Ventilation System, which directs airflow from front to back, releasing heat and humidity efficiently. Additionally, the helmet supports the optional SMART HJC 21B & 50B Bluetooth communication systems, enhancing functionality for riders seeking hands-free connectivity.

Pros

• DOT-approved for superior safety and protection.
• Pinlock-ready shield offering clear, fog-free vision and UV protection.
• Comfortable interior with moisture-wicking and washable liners.

Cons

• Bluetooth communication systems sold separately.

Overall, the HJC i91 modular helmet delivers dependable safety alongside user-friendly features. Its blend of durable materials and comfort-oriented design suits daily riders and long-distance travelers alike, standing strong among similarly priced modular helmets for both performance and practicality.

3. LS2 Helmets Advant II Modular Motorcycle Helmet W/SunShield (Gloss Jeans

Helmet safety meets comfort and style with the LS2 Helmets Advant II Modular Motorcycle Helmet. Designed for riders seeking versatility, it combines a modular shell with advanced features for a secure and enjoyable ride.

The integrated sun shield adds convenience under changing lighting conditions.

Built to offer both protection and comfort, this helmet blends lightweight durability with smart design elements. It’s an ideal choice for daily commuting or longer journeys, ensuring riders remain safe without sacrificing ease of use.

The LS2 Advant II features a sturdy shell made from KPA material, delivering a balance between toughness and light weight. With three different shell sizes available, riders can find the perfect fit, which significantly increases safety and comfort.

Weighing around 1750 grams, it remains comfortable for extended use without feeling burdensome.

Equipped with a built-in retractable sun shield, the helmet allows quick adjustments against sun glare. This feature enhances vision and reduces distractions during varying daylight conditions. The visor system is Pinlock-ready, designed to accept the Pinlock 120 MaxVision insert.

This greatly reduces fog buildup, keeping the view clear and safe.

The interior features a COOLMAX comfort liner that wicks away moisture and is removable and washable. Laser-cut foam sections improve breathability and enable better temperature control, adding to overall riding comfort.

Achieving DOT FMVSS 218 certification, the helmet meets recognized safety standards, backing its reliability on the road.

Those preferring modular helmets will appreciate the easy opening mechanism and secure locking system. The scratch-resistant coating on the visor extends the helmet’s lifespan by maintaining clear visibility.

Compared to other helmets in its category, the LS2 Advant II offers competitive build quality with practical features suited for both casual and experienced riders.

Pros

• Durable and lightweight KPA shell with multiple sizes for an excellent fit
• Integrated retractable sun shield for enhanced daytime riding comfort
• Pinlock-ready visor system significantly reduces fog and scratches

Cons

• Weighs slightly more than some ultra-light helmets

Offering a strong combination of safety, convenience, and comfort, the LS2 Advant II Modular Helmet is a dependable choice for riders. Its thoughtful features and quality design make it a smart option for those wanting reliable head protection without compromising style or functionality.

4. LS2 Helmets Strobe II Modular Motorcycle Helmet W/SunShield (Gloss Black

Experience superior protection and convenience with the LS2 Helmets Strobe II Modular Motorcycle Helmet. Designed for riders seeking both safety and comfort, this modular helmet combines advanced technology with practical features. Its sleek gloss black finish adds style while meeting rigorous safety standards.

The helmet offers a built-in sun shield and a quick-release chin strap, making it an excellent choice for changing riding conditions. Enjoy clear vision and reliable impact protection whether commuting or taking a longer trip.

The LS2 Strobe II features an innovative Kinetic Polymer Alloy (KPA) shell that enhances energy absorption and flexibility during impacts. This technology is coupled with LS2’s AREM system, which meets the latest ECE 06 rotational energy management requirements to reduce injury risks.

06 rotational energy management requirements to reduce injury risks. Ventilation is well designed to keep you cool and comfortable on various rides.

Equipped with a built-in drop-down sun shield, the helmet allows quick adjustments to bright conditions without swapping visors. The Pinlock-ready shield (Pinlock sold separately) helps prevent fogging, improving visibility in challenging weather. The helmet also includes a quick-release chin strap that simplifies putting on and removing the helmet securely.

Safety certifications such as DOT and FMVSS 218 add extra confidence in protection quality. Weighing just 5 pounds, the helmet balances durability with comfortable wear for extended journeys. This model suits riders looking for a versatile modular helmet that performs steadily on city streets or highways.

This model suits riders looking for a versatile modular helmet that performs steadily on city streets or highways. It stands out among competitors due to its combination of innovative materials, safety compliance, and rider-friendly features.

Pros

• Advanced KPA shell with superior impact flexibility and energy management
• Built-in drop-down sun shield and Pinlock-ready face shield for fog resistance
• Quick-release chin strap ensures secure fastening and easy removal

Cons

• Pinlock insert needs to be purchased separately

The LS2 Strobe II Modular Helmet offers a blend of safety, comfort, and practical features. Its innovative materials and thoughtful design make it a reliable choice for riders prioritizing helmet versatility and protection.

5. ILM Motorcycle Dual Visor Flip up Modular Full Face Helmet

Experience safety and versatility combined with the ILM Motorcycle Dual Visor Flip up Modular Full Face Helmet. Designed to meet rigorous safety standards, this helmet enhances your ride with comfort and practical features.

Offering a balance between full-face coverage and convenience, this helmet suits riders seeking dependable gear for daily commutes or long trips. The dual visor system adds functionality while maintaining clear visibility in various conditions.

The ILM Modular Helmet features a high resistance ABS outer shell that provides robust impact protection. Its micrometrically adjustable strap ensures a snug and secure fit tailored to each rider. Certified to meet FMVSS-218 and DOT safety standards, it delivers peace of mind on every ride.

Comfort is paramount with lightweight, soft helmet liners and cheek pads that can be easily removed for washing. This promotes hygiene and prolongs helmet lifespan. The design reduces wind noise significantly, allowing for a quieter riding experience.

The modular flip-up feature gives the flexibility of a full-face helmet and the convenience of an open-face design. An anti-scratch, anti-fog, and wide-view clear visor enhances visibility and durability under varying weather conditions. Including a helmet storage bag adds to the helmet’s practicality.

Pros

• Durable high resistance ABS shell for solid protection
• Lightweight, removable, and washable inner padding for comfort
• Dual visor system with anti-scratch and anti-fog properties

Cons

• Some users may find the noise reduction less effective at very high speeds

Combining safety, comfort, and versatility, the ILM Motorcycle Modular Helmet offers reliable protection and convenience. Its thoughtful features make it a competitive choice among modular helmets in the same category, delivering excellent value for riders prioritizing both function and comfort.

6. ILM Motorcycle Dual Visor Flip up Modular Full Face Helmet

Designed to combine safety with convenience, the ILM Motorcycle Dual Visor Flip up Modular Full Face Helmet elevates your riding experience. Its modular flip-up design allows seamless switching between full face protection and an open-face feel, enhancing comfort during every ride.

Engineered from high resistance ABS, this helmet provides durability without compromising lightweight performance. Its stylish construction reduces wind noise, making long journeys more enjoyable for riders who demand both function and form.

The helmet features a micrometrically adjustable strap which secures a snug fit, enhancing rider safety and comfort. It complies with FMVSS-218 and DOT safety standards, offering reliable protection without added weight. Removable and washable liners ensure hygiene and easy maintenance.

The anti-scratch, anti-fog clear visor delivers a wide field of vision, improving visibility in various weather conditions. Its dual visor system gives extra flexibility, allowing quick adaptation to changing light environments without stopping.

Its sleek and lightweight design reduces wind noise, helping riders stay focused and less fatigued on longer trips. The helmet includes a convenient storage bag, making transport and storage straightforward. The ILM-902 model, with excellent customer ratings, suits daily commuters and touring riders looking for dependable quality.

Pros

• Durable high resistance ABS shell with lightweight feel
• Micrometrically adjustable strap for secure and comfortable fit
• Anti-scratch, anti-fog dual visor system for clear vision in all conditions

Cons

• Slightly limited ventilation compared to some high-end models

The ILM Motorcycle Dual Visor Flip up Modular Helmet offers excellent protection and user-friendly features. It balances safety, comfort, and style, making it a strong option for riders seeking a modular helmet without compromise.

7. Sena Outrush R Bluetooth Modular Motorcycle Helmet with Intercom System

Discover a perfect blend of safety and convenience with the Sena Outrush R Bluetooth Modular Motorcycle Helmet. Designed to offer superior protection while enhancing communication, this helmet is ideal for riders seeking both comfort and functionality on the road.

Its modular design with a retractable sun visor ensures adaptability to different lighting conditions without compromising ease of use. Enhanced with integrated speakers and microphone, it provides clear audio for intercom and music connectivity.

The Sena Outrush R features a streamlined control system with a three-button layout on the left side for intuitive operation during rides. The advanced Bluetooth

Certified by DOT and compliant with FMVSS 218 standards, it guarantees reliable protection meeting federal safety requirements. Integration with the Sena Utility App allows quick Smart Intercom Pairing by simply scanning QR codes, making connectivity fast and effortless.

Crafted with durable materials, the helmet balances lightweight comfort with robust impact resistance. This combination supports long-distance rides without causing fatigue and ensures rider safety on diverse terrains. The modular flip-up design supports convenience by allowing easy face shield access without removing the helmet.

Practical for both urban commuting and longer motorcycle trips, this helmet suits riders aiming for integrated communication and quality protection. Its versatile features and high build quality offer excellent value for anyone wanting a comprehensive modular helmet solution.

Pros

• Modular design with retractable sun visor for quick adaptability
• Integrated speakers and microphone provide seamless communication
• Advanced Bluetooth 5.0 supports multi-rider intercom and easy app pairing

Cons

• Higher price point compared to traditional helmets without communication features

Sena Outrush R offers a well-rounded solution combining safety, comfort, and smart communication in one modular helmet. Riders looking for a feature-rich yet reliable helmet will appreciate its thoughtful design and dependable performance.

8. ILM Adult Motorcycle Helmet Dual Visor Flip up Modular Full

Experience reliable protection combined with practical features by choosing the ILM Adult Motorcycle Helmet Dual Visor Flip up Modular Full. Designed to meet DOT safety standards, this helmet offers confidence and comfort for every ride. Its modular flip-up design delivers versatility, making it easier to stay connected and refreshed while on the road.

Every detail has been crafted to balance safety, convenience, and comfort. With dual visors and advanced ventilation, it supports clear vision whether facing bright sunlight or foggy conditions. The quick-release buckle and washable liners enhance usability, ensuring both convenience and hygiene.

The quick-release buckle and washable liners enhance usability, ensuring both convenience and hygiene. Ideal for riders seeking a dependable helmet that caters to active riding needs without compromising on style or safety.

The ILM helmet features a robust ABS shell paired with an EPS liner that absorbs impact effectively. Its DOT certification confirms adherence to national safety standards, offering peace of mind during every ride. A strategically positioned upper vent improves airflow, while the lower vent prevents fogging to maintain visual clarity.

A strategically positioned upper vent improves airflow, while the lower vent prevents fogging to maintain visual clarity.

The dual visor system includes a dark sun visor for glare reduction and a clear inner visor for unobstructed views. This makes adapting to changing light conditions seamless and efficient. Additionally, the flip-up modular mechanism allows easy access for hydration or communication without removing the helmet entirely.

Additionally, the flip-up modular mechanism allows easy access for hydration or communication without removing the helmet entirely.

For enhanced comfort, the helmet includes removable, washable liners that keep the interior fresh over time. The quick-release buckle not only secures the helmet firmly but also simplifies removal in urgent situations. Compatibility with communication system speakers and eyewear makes it well-suited for riders who wear glasses or want integrated communication options.

Compatibility with communication system speakers and eyewear makes it well-suited for riders who wear glasses or want integrated communication options.

Pros

• Meets DOT safety standards with quality shell and liner construction
• Dual visor setup offers both sun protection and clear visibility
• Flip-up modular design and vents enhance comfort and practicality

Cons

• Some users may find the helmet heavier than lightweight racing helmets

Combining solid safety features with thoughtful conveniences, the ILM modular helmet stands out as a strong choice for riders seeking dependable protection and user-friendly design. It fits well among similar helmets but distinguishes itself through dual visors and communication readiness.

9. CYRIL Modular Motorcycle Helmet DOT, Flip Up Full Face Men

Discover superior protection combined with versatile functionality in the CYRIL Modular Motorcycle Helmet DOT. Its flip-up design and high-quality build deliver convenience without compromising safety.

Crafted for riders who value safety and adaptability, this helmet features a robust ABS shell and an energy-absorbing EPS liner that meet DOT standards. The flip-up mechanism operates smoothly with one hand, allowing quick helmet removal or face shield adjustment during rides.

The interior includes moisture-wicking, replaceable padding designed to fit comfortably around glasses without pressure. Its intercom-ready design supports communication systems, enhancing connectivity on the road.

The quick-release visor system enables easy maintenance, making it practical for regular use. Aerodynamic styling ensures less wind noise for a quieter riding experience. A carrying bag is part of the package, adding convenience for storage and transport.

This helmet suits riders looking for a flip-up helmet that balances protection, comfort, and versatility comfortably. It stands out among modular helmets by linking reliable safety features with user-friendly options for an enjoyable ride.

Pros

• DOT-certified high-strength shell and energy-absorbing liner
• Tool-free quick-release visors including clear, sunshade, and smoke options
• Comfortable fit with glasses-friendly removable interior padding

Cons

• Limited color options compared to some competitors

The CYRIL Modular Motorcycle Helmet DOT combines safety, comfort, and flexibility into one well-rounded package. It offers excellent features for daily riders and those traveling longer distances.

With its dependable construction and user-oriented design, it represents solid value in the modular helmet category.

10. VEVOR Motorcycle Helmet DOT Approved, Adult Motocross Dirt Bike Helmet

Experience reliable safety and comfort with the VEVOR Motorcycle Helmet DOT Approved. Designed for adult motocross and dirt bike riders, it blends robust protection with clear visibility.

Built to meet stringent DOT standards, this helmet emphasizes safety without sacrificing comfort. Its wide clear visor offers an extensive field of view, reducing blind spots and shielding you from wind and debris.

The helmet’s sturdy ABS outer shell withstands impact while the inner EPS foam absorbs shocks efficiently. It includes a removable and washable liner made from skin-friendly materials to maintain freshness and hygiene after each ride.

Multiple vents positioned strategically at the front and top aid in aerodynamics by minimizing wind resistance and noise. Its design supports a snug yet comfortable fit for both men and women.

Suitable for street racing and dirt biking, it meets diverse riding needs with dependable performance.

Compared to other helmets in the same category, this model offers a combination of affordability, safety certification, and comfort features. Its clean maintenance options and clear visor stand out, making it a practical choice for adult riders seeking reliable head protection.

Pros

• DOT certified for trusted safety compliance
• Wide clear visor providing excellent visibility
• Detachable and washable liner for hygienic upkeep

Cons

• Limited color options available (currently matte black)

Overall, the VEVOR Motorcycle Helmet offers a well-rounded combination of protection, comfort, and usability. Its certified safety and useful features make it a solid choice for daily riders and motocross participants alike. Staying clean and cool on the road has never been easier.

Staying clean and cool on the road has never been easier.

Best Modular Helmets: Top Picks & Buying Guide 2026

Modular mechanism and functionality

Understanding how the flipup mechanism operates is key when choosing the best helmet modular because its smoothness and durability directly affect convenience and long-term use. A well-designed locking system should offer secure closure to prevent accidental opening during rides while still allowing quick release when needed, which enhances both safety and usability.

Ease of operation with gloves worn plays an important role since motorcyclists often need to adjust the helmet without removing their hand protection, so mechanisms that function effortlessly under these conditions add great value. These features work together to deliver a helmet that balances security with practicality, making every journey more comfortable and safe.

Visibility and noise reduction

When choosing a modular helmet, paying close attention to visibility and noise reduction can greatly enhance comfort and safety during rides. The clarity of the visor plays a key role, especially if it offers antifog properties that help maintain a clear view in changing weather conditions.

Noise insulation capabilities help minimize wind and road noise, making long rides less tiring and allowing better focus on the surroundings. Combining these features results in a helmet that not only protects but also improves the overall riding experience by keeping distractions at bay and maximizing clear vision.

Safety standards and certifications

When choosing a best helmet modular, paying attention to safety standards and certifications provides a reliable foundation for protecting your head during rides. Helmets that meet DOT, ECE, or Snell certifications undergo rigorous testing to verify their ability to withstand impact and provide adequate protection. The shell of the helmet typically combines durable materials designed for impact absorption, helping to reduce the force transmitted to the rider’s head.

The shell of the helmet typically combines durable materials designed for impact absorption, helping to reduce the force transmitted to the rider’s head. Some helmets enhance safety further by incorporating reflective elements that improve visibility during low-light conditions, which can be particularly helpful when riding at night or in adverse weather. Considering these factors alongside the overall fit and comfort can lead to a safer and more enjoyable riding experience.

Helmet fit and comfort

Finding a helmet that fits comfortably involves paying close attention to proper sizing and how well the helmet’s shape aligns with the natural contours of your head. A well-fitted helmet should feel snug without causing pressure points, allowing for secure wear over extended periods.

Effective ventilation and airflow systems also play a critical role by keeping the wearer cool and reducing sweat buildup, especially during longer rides or warm weather conditions. Considering these factors together helps in selecting a helmet that not only provides safety but also ensures comfort throughout use.

Additional features and accessories

When choosing a modular helmet, paying attention to communication system compatibility can enhance your riding experience by allowing easy integration with devices for seamless communication and entertainment. Removable and washable liners improve hygiene and comfort, especially during long rides or on warm days, making maintenance straightforward. Considering the helmet’s weight and portability is important as a lighter helmet reduces fatigue over extended periods and makes carrying or storage more convenient.

Considering the helmet’s weight and portability is important as a lighter helmet reduces fatigue over extended periods and makes carrying or storage more convenient. These features collectively contribute to safety, convenience, and comfort, helping to match the helmet with your typical use whether commuting, touring, or casual riding on various road conditions.

Price and warranty

When choosing a best helmet modular, understanding the balance between budget and premium options can help in making a well-informed decision. More affordable helmets often provide adequate protection and basic features suitable for occasional riders or those just starting out, while premium models typically offer enhanced comfort, superior materials, and advanced safety technologies designed to last longer under frequent use. Warranty coverage plays a significant role in safeguarding your investment, with many reputable brands offering customer support that includes repairs or replacements in case of defects, adding peace of mind to your purchase.

Considering long-term value and durability is equally important since helmets subjected to regular wear and exposure require sturdy construction to maintain safety standards over time. Opting for a model with proven resilience and backed by solid after-sales service ensures that you receive both protection and support throughout the helmet’s lifespan, making the overall experience more satisfactory.

People Also Asked

Which Brands Offer The Best Modular Helmets For Safety And Comfort?

Brands like Shoei, Arai, and Schuberth are renowned for offering modular helmets that excel in both safety and comfort. These manufacturers use advanced materials and innovative designs to ensure maximum protection while maintaining lightweight and ergonomic features.

What Are The Key Features To Look For In The Best Modular Motorcycle Helmets?

The best modular motorcycle helmets should offer a secure and easy-to-use flip-up mechanism, excellent ventilation, and a comfortable, snug fit. Additionally, they should meet safety certifications and provide clear visibility with an anti-fog visor.

How Can I Properly Maintain And Clean My Modular Helmet To Ensure Longevity?

To properly maintain and clean your modular helmet, regularly wipe the exterior with a mild soap and water solution using a soft cloth, and remove the interior padding to wash according to the manufacturer’s instructions. Always allow the helmet to air dry completely before reassembling and store it in a cool, dry place away from direct sunlight.

What Is The Price Range For High-Quality Modular Helmets?

High-quality modular helmets typically range from $200 to $600, depending on features and brand. Premium models with advanced safety certifications and materials can cost over $600.

How Does A Modular Helmet Compare To Full-Face And Open-Face Helmets?

A modular helmet combines features of both full-face and open-face helmets by offering a flip-up chin bar for convenience and added protection. While it provides more ventilation and versatility than a full-face helmet, it generally offers less impact resistance and noise reduction.

Conclusion

Choosing the right modular helmet involves balancing convenience, safety, and comfort. The best helmet modular designs offer the advantage of a flip-up chin bar, making them ideal for riders who value versatility and ease when communicating or taking short breaks. While they may be slightly heavier and sometimes less aerodynamic than full-face helmets, the flexibility they provide is unmatched for touring or urban riding.

These helmets suit individuals who want comprehensive protection without sacrificing practicality during stops. For those prioritizing maximum ventilation and noise reduction, there may be better alternatives, but for a blend of protection and adaptability, the best helmet modular models remain a solid choice.

Overall, this type of helmet suits riders seeking functionality paired with safety in everyday riding scenarios.