Top 10 Best Motor Scooter Helmets You Can’t Miss

If you ride a motor scooter regularly, choosing the right helmet can feel confusing. Safety, comfort, and style all play a role, and finding a helmet that ticks these boxes isn’t always simple. That’s where the best motor scooter helmets come into play.

These helmets are designed specifically for scooter riders, offering protection without sacrificing ease of use or comfort. They often feature lightweight materials, good ventilation, and clear visor options to keep your rides safe and enjoyable.

In this review, you’ll learn what makes a helmet suited for motor scooters, discover key features to focus on, and see how different models compare. Whether you’re a daily commuter or an occasional rider, this guide will help you find a helmet that fits your needs and keeps you protected on the road.

Top Picks to Keep You Safe and Stylish on the Road

Image	Product	Price
Our Recommended 1	Yesmotor 3/4 Motorcycle Helmets Retro Open Face Vespa Scooters Helmet	Check Price
Our Recommended 2	TRIANGLE Full Face Motorcycle Helmet DOT Approved, Street Bike Racing	Check Price
Our Recommended 3	TRIANGLE 3/4 Open Face Motorcycle Helmet, DOT Approved Retro Half	Check Price

1. Yesmotor 3/4 Motorcycle Helmets Retro Open Face Vespa Scooters Helmet

Experience classic style paired with reliable safety in the Yesmotor 3/4 Motorcycle Helmet. Designed for riders who value comfort and protection, this helmet adds a retro touch to your scooter or motorcycle adventures.

Its robust construction and thoughtful features cater to everyday commuting and leisure rides alike.

The helmet’s DOT-approved certification assures dependable impact protection. A removable clear visor enhances visibility while shielding your eyes from wind and debris, and the washable interior lining maintains hygiene for continuous use.

The Yesmotor helmet features a durable ABS outer shell with a high-density EPS liner to absorb shocks effectively. This sturdy build meets safety regulations, providing peace of mind on the road. Breathable padding offers a snug fit without discomfort, ideal for extended wear during urban or countryside rides.

Breathable padding offers a snug fit without discomfort, ideal for extended wear during urban or countryside rides. Its 3/4 open face design balances protection and an open field of view.

Cleaning is simple with its removable and washable lining, which allows you to keep the helmet fresh after numerous rides. The clear visor is scratch-resistant and detachable, providing a distortion-free sightline in various conditions.

Measurement guidance helps select the best size for a secure fit, crucial for using the helmet safely. This helmet suits motorcycle and scooter riders looking for a retro aesthetic combined with modern safety features.

Competitively ranked, it offers reliability without compromising style or practicality.

Pros

• DOT-approved ABS shell with impact-absorbing EPS liner for protection
• Detachable clear visor made from scratch-resistant material
• Removable, washable interior lining enhances comfort and hygiene

Cons

• Lacks additional ventilation vents, which may affect airflow during hot weather

The Yesmotor 3/4 Helmet effectively merges classic design with dependable protection. It presents an excellent option for riders who want a stylish yet safe ride, with features designed for comfort and everyday convenience.

2. TRIANGLE Full Face Motorcycle Helmet DOT Approved, Street Bike Racing

Experience confident riding with the TRIANGLE Full Face Motorcycle Helmet. Designed for protection and comfort, it offers comprehensive coverage and durability on every trip.

Its cutting-edge design supports a secure fit while ensuring breathability and clear vision. Riders will appreciate the versatile visor options and easy maintenance features that adapt seamlessly to changing conditions.

Crafted from a tough ABS shell paired with energy-absorbing EPS, this helmet meets DOT FMVSS-218 standards for reliable impact resistance. Its full face coverage shields the head, face, and jaw, making it suitable for street, cruiser, and sport bike riders. Four strategically placed vents allow air circulation to reduce heat and prevent visor fogging, ideal for different weather scenarios.

The dual visor system includes a pre-installed tinted shield and a clear visor, switchable via a tool-free quick-release mechanism. This makes it easy to adjust for bright sunlight or nighttime conditions without extra hassle. Removable and washable interior padding keeps the helmet fresh, comfortable, and fit snugly for all-day wear.

An included premium carrying bag helps protect and store the helmet when not in use. Available in four sizes from Small to Extra Large, it accommodates different head shapes for a precise fit. This helmet blends functional safety with everyday practicality at a level appreciated by many riders.

This helmet blends functional safety with everyday practicality at a level appreciated by many riders.

Pros

• DOT certified with a durable and impact-resistant ABS shell
• Effective ventilation system with multiple intake and exhaust vents
• Quick-release dual visor system with pre-installed tinted and clear shields

Cons

• Visor replacement options are limited to included shields only

The TRIANGLE helmet successfully balances protective features and rider comfort. Its thoughtful airflow and dual visor technology address common challenges faced by motorcyclists.

3. TRIANGLE 3/4 Open Face Motorcycle Helmet, DOT Approved Retro Half

Discover a blend of classic style and modern safety with the TRIANGLE 3/4 Open Face Motorcycle Helmet. Designed for riders who value both comfort and protection, this helmet combines a lightweight structure with essential features that enhance every ride.

Its retro look stands out while meeting critical safety standards.

Equipped with a built-in retractable sun visor and a removable peak, it offers versatile functionality without compromising style. Whether navigating city streets or cruising on the highway, this helmet fits the bill for everyday motorcycle and scooter users.

The TRIANGLE helmet features a durable ABS shell designed to absorb impact efficiently. This construction meets DOT FMVSS-218 safety standards, providing peace of mind on every trip. Its low-profile design helps reduce neck strain, making long rides more comfortable.

One of its standout attributes is the integrated, dark-tinted inner sun visor. This retractable shield easily slides down to protect your eyes from harmful UV rays and wind debris, eliminating the need for sunglasses.

The removable classic-style peak can be attached or detached quickly, allowing you to tailor the helmet’s look and sun protection based on your needs.

A fully adjustable chin strap with a quick-release buckle enhances convenience and ensures a secure fit. The aerodynamic shape is crafted to minimize wind noise, which contributes to a quieter and more enjoyable ride.

Pros

• Meets DOT safety standards with a high-impact, lightweight shell
• Convenient built-in retractable sun visor blocks 99% of UV rays
• Removable peak and adjustable straps provide customizable comfort and style

Cons

• Limited coverage compared to full-face helmets, which may reduce protection in some scenarios

The TRIANGLE 3/4 Open Face Helmet merges vintage design with practical features to deliver reliable protection and comfort. It stands out as a strong choice for scooter and street riders seeking style coupled with ease of use. This helmet offers excellent value, balancing safety and aesthetics in a lightweight package.

4. ILM Open Face Motorcycle 3/4 Half Helmet for Dirt Bike

Ride confidently with the ILM Open Face Motorcycle 3/4 Half Helmet, crafted to combine safety and comfort for all your outdoor adventures. Designed for versatility, it suits various riding styles including dirt bikes, scooters, and cruisers, offering reliable protection without compromising style or breathability.

This helmet meets DOT safety standards, assuring riders of dependable impact resistance. Its lightweight design and breathable ventilation system keep you cool during long rides. Enjoy added convenience with a detachable sun shield and chin guard, perfect for adapting to different weather and riding conditions.

The ILM 3/4 open face helmet features a sturdy shell constructed to meet FMVSS-218 and DOT certifications. Multiple vents ensure continuous airflow, reducing heat buildup and enhancing comfort.

The detachable lens and sun shield provide flexible eye protection against glare and debris, improving visibility.

A quick-release buckle enables swift helmet removal and fastening, saving time while maintaining a snug fit. Its unisex design fits both men and women, making it a versatile choice for various riders.

Ideal for street biking, ATV excursions, mopeds, and electric dirt bikes, it adapts well to different terrains.

Durability and convenience blend seamlessly here — the chin guard can be easily removed or attached without tools. This feature adds practicality for those seeking adjustable protection. Overall, the helmet balances solid construction, rider-friendly design, and functional adaptability that riders value.

Pros

• Certified safety meeting FMVSS-218 and DOT standards
• Detachable sun shield and chin guard for adaptable protection
• Ventilation system with multiple vents for enhanced airflow

Cons

• Limited full-face coverage compared to full-face helmets

The ILM Open Face 3/4 Helmet offers excellent protection combined with user-friendly features. It’s a smart option for riders seeking comfort and safety without bulk. Compared to some full-face helmets, it provides better airflow and visibility while remaining secure on the head.

This balance makes it a practical choice across diverse riding activities.

5. Cartman Cruiser Scooter Motorcycle Half Face Helmet,Matte Black Graphics, DOT

Experience reliable head protection with the Cartman Cruiser Scooter Motorcycle Half Face Helmet. Its sleek matte black finish blends classic style with modern safety features.

Offering a perfect balance between comfort and security, this helmet is ideal for daily commuters and casual motorcyclists. Its compact half-face design ensures freedom of movement without compromising on essential protection.

The helmet meets and exceeds the DOT FMVSS No. 218 safety standard, providing trusted defense on the road.

This combination helps keep riders cool during warmer rides and enhances overall comfort.

A quick release buckle lets wearers easily secure or remove the helmet, even when wearing gloves. The adjustable fit ensures a snug, personalized feel to stay firmly in place.

Beyond motorcycles, it suits cycling and other outdoor activities requiring head protection. Manufactured by CARTMAN, the helmet comes with a one-year warranty giving added peace of mind. Rated highly by users, it holds strong rankings in Motorcycle & Powersports Helmets, reflecting solid consumer approval.

Pros

• DOT FMVSS No. 218 Certified for dependable safety compliance
• Lightweight ABS shell with ventilated EPS liner for comfort and protection
• Easy-to-use quick release buckle suitable for use with gloves

Cons

• Half-face design may offer less protection compared to full-face helmets

The Cartman Cruiser combines durability, comfort, and style, making it a strong choice for riders seeking reliable half-face headgear. Its safety certifications and thoughtful features provide confidence during everyday use without unnecessary bulk.

6. Orthrus Full Face Motorcycle Helmet for Adults Men & Women

Experience safer rides with the Orthrus Full Face Motorcycle Helmet designed for both men and women. This helmet combines durability with comfort to provide reliable head protection on every trip. Its thoughtful features cater to everyday commutes and spirited rides alike, enhancing safety without compromising style.

Crafted with a sturdy ABS shell and EPS foam liner, the helmet complies with DOT and FMVSS-218 safety standards. Dual visors offer flexibility to handle varying light conditions, making it practical for day and night use.

The quick-release system allows easy swapping of visors in moments and without additional tools.

The Orthrus helmet features strategic vent placement that promotes air circulation. This design prevents overheating by reducing heat buildup during rides.

Inside, breathable padding with elastic fabric and sponge lining supports all-day comfort and a secure fit.

The 3D-molded liner snugly contours to the face and is removable for easy cleaning. This keeps the helmet fresh after extended use or regular commutes.

Offering reliable protection and comfort, this helmet is ideal for motorcyclists seeking a versatile full-face solution. It answers the needs of daily commuters, sport bike riders, and adventure seekers looking for a balance between safety and convenience.

Pros

• Meets DOT and FMVSS-218 safety certifications for dependable protection
• Dual visors for adaptability during day and night riding conditions
• Advanced ventilation system with breathable, washable liner for comfort

Cons

• May run slightly large, recommend checking sizing carefully before purchase

Combining quality materials and practical features, the Orthrus Full Face Motorcycle Helmet offers excellent value for riders who prioritize safety and comfort. Its versatile design and user-friendly elements make it a strong choice among motorbike helmets in its class.

7. Motorcycle Helmet for Adults Half Helmet with Windproof Mask for

Experience the perfect blend of safety and style with the Motorcycle Helmet for Adults Half Helmet featuring a windproof mask. Crafted for comfort and protection, it elevates your urban rides by keeping you cool and shielded from the elements. Its sleek design complements every journey, whether on a motorcycle, e-bike, or skateboard.

Its sleek design complements every journey, whether on a motorcycle, e-bike, or skateboard.

Designed to provide reliable head protection while maintaining breathability, this helmet is an excellent choice for daily commuting. Its compact half-shell structure offers less bulk without compromising durability, making it an ideal fit for riders valuing agility and comfort. The integrated windproof mask enhances facial protection, reducing wind impact during faster rides.

Constructed with a tough ABS shell, the helmet prioritizes impact resistance and long-lasting performance. Moisture-wicking fabric lining prevents discomfort by keeping the interior cool and dry throughout your travels.

Weighing just 600 grams (3 lbs), it feels light and unobtrusive, allowing for extended wear without fatigue.

The adjustment belt and one-touch buckle system offer quick, customizable fit solutions that secure the helmet easily. Moreover, clear windproof lenses improve visibility while shielding your eyes from dust and debris.

Available in multiple sizes—medium fits 55-58 cm (6-

2-4 in)—it suits a wide range of adult riders.

Its versatile compatibility with urban motorcycles, e-bikes, and skateboards makes it a practical accessory. Additionally, this helmet with visor is a thoughtful gift for daily commuters or casual riders looking for dependable headgear.

Pros

• Lightweight design with excellent ventilation for comfort
• Robust ABS shell construction ensures strong impact protection
• Adjustable one-touch buckle and strap provide a secure, customizable fit

Cons

• Limited full-face coverage compared to full helmets

Balancing protection, comfort, and style, this half helmet with a windproof mask offers a reliable and breathable option for adult riders. It delivers great value for those seeking lightweight convenience without sacrificing essential safety features.

8. Westt Open Face Motorcycle Helmet, 3/4 Motorcycle Helmet DOT Approved,

Ride with confidence and comfort wearing the Westt Open Face Motorcycle Helmet. Designed for everyday riders, this helmet offers a balance of safety and style. Its lightweight build and practical features make it an excellent choice for daily city commutes or scooter rides.

The helmet comes equipped with a built-in sun visor that conveniently flips down, reducing glare on bright days. This eliminates the need for sunglasses and enhances visual clarity during your ride.

The Westt helmet boasts a sturdy ABS shell combined with an impact-absorbing EPS liner for dependable protection. Despite its durable design, it weighs only 1100 grams, minimizing neck strain during longer trips.

Safety certification meets DOT standards, assuring reliable defense on the road.

A quick-release buckle allows for hassle-free removal and fastening, even while wearing gloves. This feature adds a layer of convenience during frequent stops or short rides. Soft padding and a breathable interior lining contribute to all-day comfort.

The removable and washable liner helps maintain freshness, especially in warm weather. For riders who value personalization, the helmet offers interchangeable side panels to match your style.

Pros

• Built-in tinted sun visor for glare reduction
• Lightweight design with DOT-approved safety
• Removable and washable comfort liner

Cons

• Limited ventilation compared to full-face helmets

Combining reliable safety with everyday convenience, the Westt Open Face Motorcycle Helmet offers strong protection and adaptable features. Its thoughtful design caters well to urban riders seeking a helmet that performs well and allows personal style adjustments.

9. TRIANGLE 3/4 Open Face Motorcycle Helmet, DOT Approved Retro Half

Experience classic style combined with modern safety in the TRIANGLE 3/4 Open Face Motorcycle Helmet. Designed for riders who value both protection and comfort, this helmet meets DOT FMVSS-218 standards.

The lightweight ABS shell makes it easy to wear for hours without strain. Integrated sun protection offers convenience whether the sun is bright or the wind is strong.

Constructed for dependable impact resistance, the helmet features a durable high-impact ABS shell. This combination guarantees solid protection without extra bulk.

One standout feature is the built-in retractable sun visor. Easily adjusted with a simple push or pull, it blocks up to 99% of UV rays and reduces glare instantly.

This ensures clear vision in changing light conditions and protects against wind and debris.

Additional functionality includes a removable peak to adapt your style and shield your eyes from overhead sun effectively. The adjustable chin strap with a quick-release buckle offers secure fastening and convenient removal, even with gloves on.

This motorcycle helmet suits various riding scenarios, especially for scooters, mopeds, and everyday street rides. Its aerodynamic shape helps reduce wind noise, enhancing comfort during faster speeds.

Each helmet also comes with a storage bag, protecting your gear from scratches when off the bike. Reliability, style, and practicality come together to provide value that fits urban riders and casual motorcyclists.

Pros

• DOT FMVSS-218 safety certified shell for reliable protection
• Retractable sun visor blocks 99% of UV rays and glare
• Lightweight design reduces neck strain for extended comfort

Cons

• Limited full-face coverage compared to full helmets

The TRIANGLE 3/4 Open Face Motorcycle Helmet delivers dependable safety with a stylish retro vibe. Its practical sun visor and lightweight construction make it an excellent choice for scooter and street riders wanting comfort and protection combined. Ideal for daily use without sacrificing classic looks.

Ideal for daily use without sacrificing classic looks.

10. Motorcycle Helmet German Style Half Helmet Skull Cap Adult Men

Ride with confidence and style wearing the Motorcycle Helmet German Style Half Helmet Skull Cap for adults. Its unique German-inspired design offers a fresh take on traditional motorcycle helmets.

Designed for both men and women, the helmet fits a range of two and four-wheeled vehicles. Whether commuting on a scooter or cruising with a motorcycle, this skull cap ensures protection without compromising on flair. The padded chin strap with a quick-release buckle adds convenience to your ride.

The headset features a custom-formed interior that molds comfortably to your head shape. Moisture-wicking fabric improves airflow, reducing heat buildup during long rides.

The helmet’s breathable fabric and lightweight build enhance overall comfort without feeling bulky.

Its quick-release chin strap offers ease in putting on or taking off the helmet, making it practical for everyday use. Suitable for motorbikes, scooters, mopeds, and even four-wheeled vehicles, it crosses the boundaries of typical helmet usability. Robust construction and a secure fit provide reliable safety performance.

Robust construction and a secure fit provide reliable safety performance.

With a design that stands out among many half helmets, this product meets motorcycle safety standards while offering a stylish edge. The brand offers free replacement if the size does not fit, emphasizing customer satisfaction.

Pros

• Unique German style design for a standout look
• Custom-formed interior for enhanced comfort
• Quick-release chin strap for easy use

Cons

• Half helmet may offer less coverage than full-face helmets

A well-crafted blend of style, comfort, and safety makes this helmet suitable for everyday riders seeking individuality. It compares favorably to many other half helmets by balancing practical features with an inventive design.

Top Picks: Best Motor Scooter Helmets to Buy in 2024

Fit and comfort

When choosing your best motor scooter helmets, getting the right fit starts by measuring your head size accurately using a soft tape measure placed around the largest part of your head, just above the eyebrows. The padding and interior materials inside the helmet play a significant role in comfort, as they should feel soft against the skin while providing enough cushioning for protection.

Paying attention to adjustable vents or strategically placed air channels can enhance breathability. Selecting a helmet that balances snugness without being too tight, coupled with breathable interiors, will contribute to an enjoyable riding experience every time.

Visibility and features

When choosing the best motor scooter helmets, paying attention to visor lens types and UV protection can greatly impact comfort and safety during rides. Visors crafted with UV protection help shield your eyes from harmful sun rays, reducing glare and eye strain. Helmets with antifog and scratch resistant coatings enhance visibility by preventing fog buildup in humid or cold conditions and protecting against everyday wear and tear.

Helmets with antifog and scratch resistant coatings enhance visibility by preventing fog buildup in humid or cold conditions and protecting against everyday wear and tear. Additional features such as integrated sun visors allow riders to quickly adapt to changing light conditions without switching lenses, while Bluetooth compatibility offers convenient hands-free communication and entertainment options. These elements not only improve safety but also add practical benefits that make every journey more enjoyable.

Selecting a helmet with a combination of these features suits riders looking for both function and comfort, especially during varied weather and traffic situations.

Helmet safety standards

When choosing a helmet, paying attention to safety certifications like DOT, ECE, and Snell can provide valuable guidance. These certifications involve rigorous testing processes that assess a helmet’s ability to protect against impacts, penetration, and retention under crash conditions.

Impact protection ratings derived from these tests give insight into how well a helmet can absorb energy during a collision, which is essential for reducing head injuries. Additionally, quality assurance labels often accompany helmets that have passed such standards, reflecting consistent manufacturing processes and durable materials. Selecting a helmet bearing these marks of approval helps guarantee that the product meets recognized benchmarks for protection, offering peace of mind whether used for daily commuting or leisurely rides.

Checking that the helmet includes proper documentation and visibly clear certifications ensures that the safety claims are legitimate and that the helmet provides reliable defense when it matters most.

Materials and durability

The choice of shell material plays a significant role in the overall performance and safety of the best motor scooter helmets. Polycarbonate shells are popular for their affordability and solid impact resistance, making them suitable for casual riders or those on a budget. Fiberglass helmets offer a lighter yet strong construction that can absorb energy effectively, often preferred by riders who want a balance of weight and durability.

Carbon fiber helmets stand out due to their exceptional strength-to-weight ratio, making them ideal for longer rides as they reduce neck fatigue without compromising protection. Weight can greatly influence comfort during extended use, so selecting a helmet that feels light yet sturdy contributes to a better experience on the road.

Longevity is another factor; helmets made from high-quality materials not only last longer but also maintain their protective qualities over time. Regular maintenance, such as cleaning and proper storage away from extreme temperatures or direct sunlight, helps preserve the helmet’s integrity and appearance. Paying attention to these aspects will aid in choosing a helmet that combines safety, comfort, and durability for enjoyable scooter rides.

Paying attention to these aspects will aid in choosing a helmet that combines safety, comfort, and durability for enjoyable scooter rides.

Helmet types and designs

When choosing a motor scooter helmet, understanding the differences between fullface and openface helmets helps in selecting the right protection and comfort level. Fullface helmets provide comprehensive coverage by enclosing the entire head, offering the best protection against impacts and weather, while openface helmets cover the top and sides but leave the face exposed, allowing for better airflow and visibility.

This flip-up option adds versatility for riders who want the safety of a fullface helmet with the flexibility of an open design. Attention to aerodynamics plays a role in reducing wind resistance and noise while riding, which can greatly enhance comfort on longer trips.

Helmets designed with smooth shapes and lower profiles can minimize drag and prevent excessive wind noise, ensuring a quieter and less tiring ride. Considering these aspects assists in picking a helmet that balances safety, comfort, and functionality tailored to individual riding habits and preferences.

Price and warranty

Choosing among various options for best motor scooter helmets often involves weighing budget and premium models. More affordable helmets usually provide the necessary safety features for everyday commuting and casual riding, while premium helmets may include advanced materials for better impact absorption, improved ventilation, and added comfort features suitable for frequent or longer rides. Warranty coverage varies depending on the manufacturer, with some offering limited periods covering defects and others providing extended support along with return policies that allow trial periods or exchanges.

Warranty coverage varies depending on the manufacturer, with some offering limited periods covering defects and others providing extended support along with return policies that allow trial periods or exchanges. Balancing cost with safety and comfort features helps find a helmet that offers good value, ensuring protection without overspending. When selecting a helmet, paying attention to certifications, fit, and the included padding can significantly enhance the riding experience while meeting safety requirements.

People Also Asked

What Safety Certifications Should A Top-Quality Motor Scooter Helmet Have?

A top-quality motor scooter helmet should have safety certifications such as DOT (Department of Transportation), ECE (Economic Commission for Europe), or Snell certification. These certifications ensure the helmet meets rigorous impact and safety standards for rider protection.

Which Brands Offer The Most Reliable And Comfortable Motor Scooter Helmets?

Brands like Shoei, Arai, and HJC are known for offering the most reliable and comfortable motor scooter helmets. They combine advanced safety features with ergonomic designs to ensure both protection and comfort.

Are There Any Budget-Friendly Motor Scooter Helmets That Provide Excellent Protection?

Yes, there are budget-friendly motor scooter helmets that offer excellent protection, such as models from brands like Bell, Vega, and LS2. These helmets often meet safety standards like DOT or ECE, ensuring reliable protection without breaking the bank.

How Do Full-Face Helmets Compare To Open-Face Helmets For Motor Scooter Riders?

Full-face helmets provide more comprehensive protection by covering the entire head and face, reducing the risk of injury in accidents compared to open-face helmets. However, open-face helmets offer better ventilation and a wider field of vision, making them more comfortable for some motor scooter riders.

What Are The Key Features To Look For In The Best Motor Scooter Helmets?

The best motor scooter helmets should have a DOT or ECE safety certification, a lightweight yet durable shell, and proper ventilation for comfort. Additionally, features like a clear, anti-fog visor and a secure, adjustable fit enhance both safety and usability.

Conclusion

Choosing from the best motor scooter helmets involves balancing safety, comfort, and style. While some helmets offer advanced features like enhanced ventilation and noise reduction, others prioritize lightweight design or affordability. These helmets generally provide dependable protection and can suit daily commuters and casual riders alike.

However, differences in fit and certification standards may affect individual preferences and local regulations. Buyers should focus on helmets that are properly certified and align with their specific riding conditions.

Overall, selecting a helmet that combines reliable safety features with personal comfort will contribute significantly to a secure ride. Those seeking reliable protection without sacrificing comfort will find many suitable options among the best motor scooter helmets available today.