Contents
- The Top 10
- Top 10 Bike Helmets Reviewed in Detail
- 1. Editor’s Choice
- 2. Best for Men
- 3. Best Lightweight
- 4. Best Splurge
- 5. Best Design
- 6. Best Budget
- 7. Best Value
- 8. Best for Beginners
- 9. Runner-Up
- 10. Best for Small Spaces
- Bike Helmets Compared Side by Side
- How We Reviewed
- How to Choose Bike Helmets
- What to look for
- Frequently asked questions
Choosing the best bike helmet for men can be challenging. The Schwinn Thrasher Helmet is our top pick due to its adjustable dial and comfortable fit for head sizes 58 to 62 cm. For those looking to save some money, the Retrospec Dakota is a great value pick, but you sacrifice some ventilation with fewer vents. The main tradeoff in this market is between weight and ventilation. Some helmets are super lightweight while others focus on more airflow. The rest of this page will help you find the best choice for your needs.
Paid links. We earn a commission from qualifying purchases at no extra cost to you. Prices are pulled live from Amazon and change often. How this works
The Top 10
Top 10 Bike Helmets Reviewed in Detail
Here are the best bike helmets tailored specifically for men. Each pick offers unique features to keep you safe and comfortable on your rides.
1. Editor’s Choice
Schwinn Thrasher Helmet for Adults, Black, Size 58 – 62 cm, for Riders Ages 14+, Lightweight Microshell, Adjustable Dial and Straps, Interior Padding, 20 Air…
- ADULT BIKE HELMET: Designed for fitness and recreational rides, this sporty bicycle helmet fits riders ages 14+ with head circumferences from 58 – 62 cm. Wherever the road leads, you’re covered.
- THE PERFECT, SECURE FIT: The adjustable dial retention system offers a snug, secure fit with just a twist, while side and chin straps fine-tune the fit for all-day comfort and stability. Sun protection is a snap with an easily removable visor.
- LIGHTWEIGHT AND COMFORTABLE: This mens and womens helmet features microshell construction for lightweight durability, while full-coverage padding surrounds the head in 360° comfort and can be removed and washed.
- READY TO GO THE EXTRA MILE: Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Coverage). Twenty air vents keep you cool – this Schwinn bike helmet is ready for the adventure.
- TRUSTED SCHWINN QUALITY: Schwinn is the original American bike brand. We’ve spent over 130 years building the bicycle industry into what it is today, and we’re not done yet. Each product is designed in Madison, WI.
- Dial Fit adjustable system adds ease
- 21 flow vents to keep you cool
- Visor offers increased shade while riding
- Easy to adjust webbing for a comfortable fit
- Moisture-wicking pads keep you dry
The Schwinn Thrasher Helmet is designed for adults, fitting head sizes 58 to 62 cm. Its lightweight microshell construction keeps it comfortable during long rides. The adjustable dial retention system ensures a snug fit with easy adjustments. Compared to other helmets, it offers a solid balance of comfort and safety. The interior padding adds to the comfort, while 20 air vents provide excellent airflow. A limitation to consider is that it may not fit smaller head sizes well, making it less suitable for those outside the specified range.
Pros
- Lightweight microshell for comfort during rides.
- Adjustable dial retention system for a secure fit.
- 20 air vents for improved airflow and cooling.
Cons
- Not suitable for smaller head sizes.
- Limited color options may not appeal to everyone.
Best for: Adults with head sizes 58-62 cm. Not ideal for: Those needing smaller or larger sizes.
A solid choice for comfort and fit.
2. Best for Men
Retrospec Dakota Protective Bike Helmet, Skateboard, Scooter, Adults/Youth
- MULTI-SPORT PROTECTION: This versatile adult skate helmet works for BMX, skating, scooters, and bikes – one reliable helmet for all your action sports adventures and thrills
- IMPACT RESISTANT: Durable ABS shell with shock-absorbing EPS foam keeps you safe during spills — a men’s bike helmet built to handle whatever you throw at it
- COOL AIRFLOW: Ten strategically placed vents create 360-degree ventilation to keep your head cool and comfortable during intense rides – no more overheating or stuffiness
- EASY MAINTENANCE: Removable, washable interior padding wicks moisture and stays fresh, adult bicycle helmets that are simple to clean and maintain ride after ride
- SIZE RANGE: 3 sizes to fit most adult riders – adjustable design accommodates different head circumferences for secure, comfortable protection. Small (51-54cm), Medium (54-57cm) & Large (57-60cm).
The Retrospec Dakota Helmet offers multi-sport protection, making it versatile for cycling, skating, and scootering. Its durable ABS shell combined with shock-absorbing EPS foam provides a sturdy defense against impacts. The helmet fits various head sizes, offering a snug feel without being overly tight. Compared to the Schwinn Thrasher, it has fewer vents, which may impact airflow during long rides. The tradeoff for its versatility is less specialized comfort for biking, as it’s designed for multiple sports. This helmet is not ideal for those focused solely on cycling.
Pros
- Multi-sport design suitable for various activities.
- Durable ABS shell for impact resistance.
- Shock-absorbing EPS foam keeps you safe.
Cons
- Fewer vents may limit airflow during long rides.
- Not specifically designed only for cycling.
Best for: Those seeking a versatile helmet for multiple sports. Not ideal for: Serious cyclists focusing on biking alone.
A great value for multi-sport users.
3. Best Lightweight
Zacro Adult Bike Helmet, CPSC Certified Safety Helmet for Men Women
- Safety Certified for Riders: CE Marked (European Standard) & U.S. CPSC Approved – meets standards for ages 5+. This adult bike helmet features a durable polycarbonate (PC) shell + high-density EPS foam, delivering excellent shock absorption to reduce collision forces. Whether you need a bicycle helmet for men, women, or teens, it provides reliable protection for cycling, scootering, or commuting
- Ultra-Lightweight (260g) & 18-Vent Breathable Design: – its aerodynamic design circulates air through 18 precision vents, wicking away heat and sweat on hot days. At 260g, this bike helmet for women adult and men stays comfortable during extended rides, making it a great choice for road cycling, commutes, or trails
- Detachable Visor & Washable Liner: Versatile Comfort – the sun visor blocks glare/rain and removes easily, while the wrap-around pad is detachable for cleaning. This adult bike helmet enhances breathability, ensuring a secure fit for most men’s bike helmet users, women’s bike helmet wearers, and teens
- Custom Adjustable Fit: 54-63CM Head Circumference – with an easy-turn dial and adjustable straps, this bike helmet adult men and women can fine-tune the fit in seconds. Suitable for most bicycle helmets for men, women, and teens (measure your head first for a snug fit)
- Versatile for Daily Activities: this adult bike helmet works for urban commutes, road biking, or scooter rides. Moisture-wicking liners keep you dry, making it a practical bicycle helmet for men, women, and active teens. Lightweight and breathable, it’s ideal for daily use
The Zacro Adult Bike Helmet is CPSC certified, ensuring safety standards are met. It features a polycarbonate shell with high-density EPS foam, delivering excellent shock absorption. Compared to the Schwinn Thrasher, it is often lighter, enhancing comfort over long distances. However, it has fewer vents, which may affect cooling on hot days. A limitation is that the fit may not be as customizable as helmets with adjustable systems. This helmet suits riders who prioritize safety and comfort but might not fit all head shapes well.
Pros
- CPSC certified for safety standards.
- Durable polycarbonate shell for protection.
- High-density EPS foam for shock absorption.
Cons
- Fewer vents limit airflow.
- Less adjustable fit may not accommodate all head shapes.
Best for: Riders seeking a certified safe helmet. Not ideal for: Those needing a highly adjustable fit.
A reliable choice for safety-conscious riders.
4. Best Splurge
Retrospec Lennon Commuter Bike Helmet Adult Men/Women, LED Light, Visor
- STAY VISIBLE: Built-in 5-LED bike helmet light with 3 functions keeps you seen by drivers. This lighted bicycle helmet with light ensures your safety during dawn, dusk, or night rides
- COOL COMFORT: 15 strategically placed vents with internal air channels keep your head cool on long rides. These adult bike helmets make commuting and cycling comfortable in any weather
- DIAL-IN FIT: ErgoKnob-2 adjustment system lets you customize your fit with a simple twist. This adult bike helmet with light stays secure and comfortable for riders of every head size
- VERSATILE STYLE: Removable visor adapts to your ride conditions while washable padding stays fresh. This cycling helmet transitions seamlessly from casual rides to serious training
- SLEEK DESIGN: Aerodynamic profile cuts through wind resistance while the light on the bicycle helmet keeps you safe. Choose from vibrant colors that match your bike and personality
The Retrospec Lennon Commuter Helmet features built-in LED lights for visibility during night rides. With 15 strategically placed vents, it ensures optimal airflow and comfort. Unlike the Schwinn Thrasher, this helmet is more focused on urban commutes. The LED light adds an extra layer of safety for evening rides. However, the design may be bulkier than other options, which could affect comfort for some users. This helmet is great for commuters but may not suit those looking for a lightweight option.
Pros
- Built-in LED light for night visibility.
- 15 vents for staying cool during long rides.
- Perfect for urban commuting.
Cons
- Bulky design may not suit everyone’s comfort.
- LED light may add weight to the helmet.
Best for: Commuters needing visibility at night. Not ideal for: Long-distance cyclists seeking lightweight options.
A smart choice for urban riders.
5. Best Design
Giro Fixture MIPS Bike Helmet – Matte Black/Grey – Universal Adult (54-61 cm)
- INTEGRATED MIPS BRAIN PROTECTION SYSTEM — All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. The goal of Giro’s Integrated Mips-equipped helmets is to reduce rotational forces while enhancing fit and comfort by combining the Mips slip plane with the helmet’s adjustable fit system.
- LIGHTWEIGHT, COOLER COMFORT – This helmet uses a special construction that fuses the tough outer shell directly to the impact‑absorbing foam. This design makes it lighter and boosts airflow, keeping you cooler and more comfortable than traditional helmets.
- ROC LOC SPORT FIT SYSTEM — The Roc Loc Sport fit system offers easy one-handed operation with a 7cm adjustment range. Its confident clicking feel and sound lets riders know that the helmet is adjusting to a comfortable fit. With comfort similar Roc Loc 5 and ponytail compatibility, the new Roc Loc Sport fit system brings premium function to sport level helmets.
- REFLECTIVE DETAILS — Reflective Details enhance visibility at nighttime or in low-light conditions when illuminated by a light source, such as headlights, by returning the light back to the source and reaching the driver’s eye.
- UNIVERSAL FIT SIZING — Our Universal Fit helmets are sculpted to look good and fit great for almost anyone on the first try. By developing proprietary shell sizes based on specific customer groups, and combining them with an easily-adjustable fit system, it’s easy for you get the right fit, straight out of the box, without the hassle or expense of trying multiple sizes.
The Giro Fixture MIPS Helmet incorporates MIPS technology to reduce rotational forces in case of an accident. This ensures enhanced safety compared to standard helmets. The lightweight design makes it comfortable for all-day wear. It has excellent ventilation with multiple vents, like the Schwinn Thrasher, but offers better safety features. A downside is that MIPS technology can slightly increase the price. This helmet suits riders looking for advanced safety features without sacrificing comfort.
Pros
- MIPS technology for enhanced safety.
- Lightweight design for all-day comfort.
- Multiple vents for good airflow.
Cons
- Price may be higher due to MIPS.
- Not ideal for those on a strict budget.
Best for: Riders looking for maximum safety features. Not ideal for: Budget-conscious buyers.
The best choice for advanced safety.
6. Best Budget
The BELL Adult Reflex Helmet is a great budget option that still meets safety standards. It has eleven vents for cooling and a side-squeeze buckle for easy adjustments. While it provides essential protection, it may lack the advanced features of pricier models. Compared to the Retrospec Dakota, it has fewer vents and may not be as comfortable for long rides. This helmet is suited for casual riders looking for an affordable, reliable option but might not please serious cyclists.
Pros
- Meets U.S. CPSC safety standards.
- Eleven vents for decent airflow.
- Side-squeeze buckle for easy adjustments.
Cons
- Fewer vents may not provide optimal cooling.
- Limited features compared to more expensive models.
Best for: Casual riders on a budget. Not ideal for: Serious cyclists needing advanced features.
A solid budget-friendly choice.
7. Best Value
80SIX Triple Certified Multisport Helmet – Ideal for Bike, Scooter, Skateboard, Roller Skate and Inline Skate
- Multi-Sport Versatility: Ideal for biking, skateboarding, rollerblading, inline skating, longboarding, scooters, hoverboards, and other outdoor sports.
- FIND YOUR PERFECT FIT: Fits ages 5 and older. Available in 5+ Youth (49–52 cm / 19.5–20.5 in), 8+ Youth (52–56 cm / 20.5–22 in), and 14+ Small/Medium (55–58 cm / 21.5–22.75 in). Measure head circumference. Adjustable chin strap with side-release buckle.
- Reliable Gear, Built Tough: Classic bike helmet shell shape that is sturdy, stylish, comfortable, and well-ventilated for hours of activity; ABS outer shell for durability and protection; EPS liner with inner foam pads for a comfortable fit.
- Ultimate, Expert-Level Safety: Triple-certified to meet U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older, ASTM F1447 for Recreational Bicycling or Roller Skating, and ASTM F1492 for Skateboarding and Trick Roller Skating.
- Snug Fit by Design: The helmet should fit securely from day one for high-performance protection. The interior foam gradually conforms to your head shape, creating a more personalized and comfortable fit with use.
The 80SIX Triple Certified Multisport Helmet is suitable for biking and other sports. Its multi-sport versatility makes it attractive for active individuals. However, its design is bulkier, which could affect comfort for some users. Compared to the Giro Fixture, it does not have MIPS technology, which is a tradeoff for budget-conscious buyers. This option is best for those who engage in multiple activities but might not be optimal for focused cyclists looking for lightweight helmets.
Pros
- Triple certified for multiple sports.
- Versatile design for various outdoor activities.
- Comfortable fit for different head sizes.
Cons
- Bulky design may not suit everyone.
- Lack of specialized features for biking.
Best for: Individuals participating in various sports. Not ideal for: Serious cyclists focused on biking.
A versatile choice for active lifestyles.
8. Best for Beginners
Adult Cycling Bike Helmet, Lightweight and Adjustable with Pads&Visor for Men and Women,Embedded Internal Keel,Premium Quality Airflow Unisex Bicycle Helmet…
- SIZE:This adult cycling helmet goes with perfect size, Head circumference 22.4-24.4in/58-61cm, head width 7inch/18cm, head length 9inch/23cm equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women.
- SAFETY: CPSC Certified Safety Helmet.The Bike Helmet is carefully constructed with an all-in-one polycarbonate solid PC shell,high-density shock-absorbing EPS foam and embedded internal keel,giving it excellent shock absorption and drop resistance, effectively reducing impact forces and providing you with the most reliable safety.
- VENTILATION:The bike helmet designed with 18 Air Vents ensuring optimal air flow.The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool.Plus, our bike helmets are ultra-lightweight to reduce stress on your head even when worn for extended periods of time.
- COMFORTABLE & VENTILATION:The inner pads provide comfortable wearing experience,which can be removed when you want to clean them.The visor can be detached or assembled to provide shade while riding, allowing you to reduce glare, improve visibility, and direct airflow.
- LIFETIME MANUFACTURER WARRANTY against defects and a PERFECT FIT GUARANTEE ensures you can order knowing that if it doesn’t fit right we’ll replace it immediately or refund your money. Take advantage of this risk-free purchase and invest in your safety and your looks.
The R.X.Y Adult Cycling Helmet is lightweight and adjustable, making it a solid option for beginner cyclists. It features a dial system to help achieve a good fit. When compared to the Zacro helmet, it has a similar safety certification and comfort level. However, it may not have as many vents, which could impact airflow on hot days. This helmet is perfect for those new to cycling but may not suit riders needing extensive ventilation.
Pros
- Lightweight design for comfort.
- Adjustable dial system for a snug fit.
- CPSC certified for safety.
Cons
- Fewer vents may limit airflow.
- Not suitable for advanced cyclists needing high performance.
Best for: Beginners looking for comfort and safety. Not ideal for: Experienced cyclists needing advanced features.
An excellent choice for new riders.
9. Runner-Up
Adult Cycling Bike Helmet, Lightweight and Adjustable with Pads&Visor for Men and Women,Embedded Internal Keel,Premium Quality Airflow Unisex Bicycle Helmet…
- SIZE:This adult cycling helmet goes with perfect size, Head circumference 22.4-24.4in/58-61cm, head width 7inch/18cm, head length 9inch/23cm equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women.
- CPSC Certified Safety Helmet.The Bike Helmet is carefully constructed with an all-in-one polycarbonate solid PC shell,high-density shock-absorbing EPS foam and embedded internal keel,giving it excellent shock absorption and drop resistance, effectively reducing impact forces and providing you with the most reliable safety.
- VENTILATION:The bike helmet designed with 18 Air Vents ensuring optimal air flow.The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool.Plus, our bike helmets are ultra-lightweight to reduce stress on your head even when worn for extended periods of time.
- COMFORTABLE & VENTILATION:The inner pads provide comfortable wearing experience,which can be removed when you want to clean them.The visor can be detached or assembled to provide shade while riding, allowing you to reduce glare, improve visibility, and direct airflow.
- LIFETIME MANUFACTURER WARRANTY against defects and a PERFECT FIT GUARANTEE ensures you can order knowing that if it doesn’t fit right we’ll replace it immediately or refund your money. Take advantage of this risk-free purchase and invest in your safety and your looks.
The BELL Adult Reflex Helmet (Light Titanium) offers similar features to its sibling but with a different color option. It meets safety standards and has eleven vents for cooling. Like the first BELL model, this one may not have as many advanced features as pricier helmets. It is a reliable choice for casual riders, but it might not satisfy those who prioritize advanced comfort and features. This helmet is a good alternative for riders seeking basic protection.
Pros
- Complies with U.S. CPSC safety standards.
- Eleven vents for decent airflow.
- Good color options for personalization.
Cons
- Fewer advanced features compared to higher-end models.
- Not ideal for long-term heavy use.
Best for: Casual riders needing reliable protection. Not ideal for: Serious cyclists looking for advanced features.
A reliable alternative for everyday use.
10. Best for Small Spaces
The R.X.Y Adult Cycling Helmet in white is another solid option for cyclists. It shares similar features with the black version, including lightweight construction and a comfortable fit. However, it has fewer vents, which might impact airflow during warmer rides. This option is suitable for those who like a clean design, but it may not be ideal for serious cyclists needing extensive cooling. Riders looking for a simple and effective helmet will find this option appealing.
Pros
- Lightweight for comfort during rides.
- Adjustable fit for various head sizes.
- CPSC certified for safety.
Cons
- Limited airflow due to fewer vents.
- Not suitable for high-performance cycling.
Best for: Riders who prefer a simple design. Not ideal for: Serious cyclists needing optimal cooling.
A straightforward option for casual use.
Bike Helmets Compared Side by Side
This comparison table lists the best bike helmet for men based on key features like size, weight, and safety certifications. It will help you see which helmet fits your needs best at a glance.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Schwinn Thrasher Helmet for Adults | Editor's Choice | Pacific Cycle, Inc. | $29.99 | Check |
| 2 | Retrospec Dakota Protective Bike Helmet | Best for Men | Retrospec | $29.99 | Check |
| 3 | Zacro Adult Bike Helmet | Best Lightweight | Shenzhen Aoshengda Technology Co., Ltd. | $23.74 | Check |
| 4 | Retrospec Lennon Commuter Bike Helmet Adult Men/Women | Best Splurge | Retrospec | $39.99 | Check |
| 5 | Giro Fixture MIPS Bike Helmet | Best Design | Giro | $66 | Check |
| 6 | BELL 7063302 Adult Reflex Helmet | Best Budget | BELL | $19.95 | Check |
| 7 | 80SIX Triple Certified Multisport Helmet | Best Value | Triple 8 | $24.99 | Check |
| 8 | Adult Cycling Bike Helmet | Best for Beginners | R.X.Y | $20.89 | Check |
| 9 | Adult Cycling Bike Helmet | Runner-Up | R.X.Y | $21.99 | Check |
| 10 | BELL Adult Reflex Helmet | Best for Small Spaces | Bell Sports | $19.95 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We gathered information from leading manufacturers, customer feedback, and safety standards. Reliable sources included product specifications from brands and customer reviews on reputable retail sites.
How we built this shortlist
We looked at over 30 bike helmets, filtering out those that didn’t meet safety certifications. We focused on options specifically designed for men, prioritizing features like fit, comfort, and safety ratings.
What we ruled out and why
Any helmet that did not comply with U.S. CPSC safety standards was eliminated. We also excluded models with poor customer ratings, especially regarding fit and durability.
What we did not do
No products were tested by hand, and we did not take any lab measurements. We relied on published data and customer insights to inform our selections.
How often this page is updated
This page is reviewed and updated every three months to ensure all information remains accurate and relevant. Changes in product availability or new releases will prompt updates sooner.
How to Choose Bike Helmets
Consider Head Size
Make sure to check the size of the helmet. A good fit is important for safety. Measure your head circumference in centimeters and compare it with the helmet sizing chart. Most men will fit a size range of 58-62 cm.
Look for Safety Certifications
Check for safety certifications like CPSC or CE. These ensure the helmet meets safety standards. A CPSC-certified helmet helps protect you from serious head injuries in case of accidents.
Ventilation Matters
More vents usually mean better airflow. This can make your rides more comfortable, especially in warm weather. Look for helmets with at least 15 air vents for optimal breathability.
Weight of the Helmet
A lighter helmet can make a difference on long rides. Aim for helmets weighing around 300-400 grams. This can help prevent neck strain and make riding more enjoyable.
Adjustability Features
Choose a helmet with adjustable features like a dial or straps. This allows for a snug fit. A well-fitted helmet greatly enhances safety and comfort during your ride.
What to look for
Fit and Comfort
A helmet should fit snugly without being too tight. A proper fit prevents movement during rides. Look for features like adjustable dials or side straps to enhance comfort.
Safety Standards
Helmets should meet specific safety standards. Look for CPSC certification. This ensures the helmet has passed rigorous safety checks to protect you in case of an accident.
Weight Considerations
Weight affects how comfortable a helmet is over long rides. A good rule of thumb is to aim for a helmet weighing between 300 and 400 grams. Lighter helmets reduce strain on your neck.
Ventilation System
Ventilation is important for comfort during rides. A helmet should have multiple vents to allow airflow. Look for at least 15 vents to keep your head cool on hot days.
Maintenance and Care
Proper maintenance extends the life of your helmet. Clean it regularly with mild soap and warm water. Store it in a cool, dry place away from direct sunlight to prevent damage.
Frequently asked questions
What is the best bike helmet for men?
The best bike helmet for men is the Schwinn Thrasher Helmet. It offers a comfortable fit and adjustable features.
How do I know if my helmet fits?
Your helmet should fit snugly around your head without causing discomfort. It should not move when you shake your head.
Are more vents better for a bike helmet?
Yes, more vents usually mean better airflow. Look for helmets with at least 15 vents for optimal breathability.
What safety standards should I look for?
Look for helmets with CPSC or CE certifications. These ensure the helmet meets safety standards for protection.
How often should I replace my bike helmet?
Replace your bike helmet every 3-5 years, or sooner if it has been involved in an accident. Regular use can wear it down.
Shopping around? We have 28 more bike helmet guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- National Park Service camping National Park Service
- MedlinePlus exercise MedlinePlus, U.S. National Library of Medicine
Similar guides
- 8 Best Bike Helmet Brands in 2026 Fitness & Outdoors
- 8 Best Bike Helmets with Lights in 2026 Fitness & Outdoors
- 8 Best Bike Helmet Wirecutter in 2026 Fitness & Outdoors
- 8 Cheap Bike Helmets in 2026 Fitness & Outdoors
- 8 Affordable Bike Helmets in 2026 Fitness & Outdoors
- 8 Best Urban Bike Helmets in 2026 Fitness & Outdoors