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10 Best Mountain Bike Helmets 2025 in the United States
#1
Winner
Schwinn Thrasher Bike Helmet for Adult Men Women Age 14+ with Suggested Fit 58-62cm, Lightweight with Adjustable Side and Chin Strap, No Light, Carbon
The Schwinn Thrasher Bike Helmet is designed for adults aged 14 and above, with a suggested fit range of 58-62 cm, making it suitable for a wide range of head sizes. The helmet is lightweight, thanks to its two microshell layers and full-coverage EPS foam construction, which also provides durability. The easy-adjust dial system and adjustable side and chin straps ensure a snug and comfortable fit, assisted by full-range padding that enhances comfort during rides.
Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!#2
Giro Fixture MIPS Adult Mountain Cycling Helmet - Matte Portaro Grey (Limited), Universal Adult (54-61 cm)
The Giro Fixture MIPS Adult Mountain Cycling Helmet is designed for a diverse range of cyclists, providing a reliable option for those seeking safety and comfort on the trails. One of its standout features is the integrated MIPS technology, which helps reduce rotational forces during impacts, enhancing protection in case of a crash. The helmet is engineered in Giro's advanced testing lab, reinforcing its commitment to safety standards, making it a highly trusted choice.
Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!#3
Fox Racing Speedframe Mountain Bike Helmet, Black, Medium
The Fox Racing Speedframe Mountain Bike Helmet in Medium size is a solid choice for adult cyclists. It features a polycarbonate shell and dual-density Varizorb EPS impact foam for comprehensive protection. The helmet also includes an XT2 liner, which is known for its antimicrobial properties, ensuring hygiene and comfort during use. The 360 Fit System and Fidlock SNAP provide easy and precise adjustment for a snug fit.
Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Customer Highlights
A summary of real customer reviews to highlight what shoppers are saying!Top 10 Best Mountain Bike Helmets 2025 in the United States
#1
Winner
10.0 score
Schwinn Thrasher Bike Helmet for Adult Men Women Age 14+ with Suggested Fit 58-62cm, Lightweight with Adjustable Side and Chin Strap, No Light, Carbon
Schwinn Thrasher Bike Helmet for Adult Men Women Age 14+ with Suggested Fit 58-62cm, Lightweight with Adjustable Side and Chin Strap, No Light, Carbon
Fit and Size: 58-62 cm
Ventilation: 21 flow vents
Weight: 0.38 kg
Safety Standards: U.S. CPSC Standard
Retention System: easy-adjust dial, side and chin straps
Visor: detachable
Chosen by 1127 this week
Giro Fixture MIPS Adult Mountain Cycling Helmet - Matte Portaro Grey (Limited), Universal Adult (54-61 cm)
Giro Fixture MIPS Adult Mountain Cycling Helmet - Matte Portaro Grey (Limited), Universal Adult (54-61 cm)
Fit and Size: Universal Adult (54-61 cm)
Ventilation: 18 Wind Tunnel vents
Weight: 1 pound
Retention System: User-friendly system
Visor: Included, not adjustable
MIPS Technology: Yes
Fox Racing Speedframe Mountain Bike Helmet, Black, Medium
Fox Racing Speedframe Mountain Bike Helmet, Black, Medium
Fit and Size: Medium
Ventilation: Optimized ventilation
Weight: 2 Pounds
Retention System: 360 Fit System, Fidlock SNAP
Visor: 3-position adjustable
MIPS Technology: Yes
Bell Super 3R MIPS Adult Mountain Bike Helmet - Matte Black/Gray (2022), Medium (55-59 cm)
Bell Super 3R MIPS Adult Mountain Bike Helmet - Matte Black/Gray (2022), Medium (55-59 cm)
Fit and Size: Medium (55-59 cm)
Ventilation: Overbrow Ventilation
Weight: 1.7 pounds
Retention System: No-Twist Tri-Glides
MIPS Technology: Yes
Fox Racing Speedframe Pro Mountain Bike Helmet, DVIDE Flo Orange, Large
Fox Racing Speedframe Pro Mountain Bike Helmet, DVIDE Flo Orange, Large
Fit and Size: 360 fit system, Large
Ventilation: Optimized venting with channeled EPS
Weight: 1.85 Pounds
Retention System: Fidlock SNAP buckle system
Visor: Three-position adjustable visor
MIPS Technology: Yes
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Up to 15% off
SMITH Convoy MTB Cycling Helmet – Adult Mountain Bike Helmet with MIPS Technology + Visor – Lightweight Impact Protection for Men & Women – Black, Medium
SMITH Convoy MTB Cycling Helmet – Adult Mountain Bike Helmet with MIPS Technology + Visor – Lightweight Impact Protection for Men & Women – Black, Medium
Fit and Size: Medium
Ventilation: 20 fixed vents
Weight: 0.3 Kilograms
Safety Standards: Complies with safety standards
Retention System: Adjustable dial at back
Visor: Fixed visor
MIPS Technology: Yes
#10
8.1 score
SMITH Engage MTB Cycling Helmet – Adult Mountain Bike Helmet with MIPS Technology + Koroyd Coverage – Lightweight Impact Protection for Men & Women – Adjustable Visor – Matte Poppy/Terra, Medium
SMITH Engage MTB Cycling Helmet – Adult Mountain Bike Helmet with MIPS Technology + Koroyd Coverage – Lightweight Impact Protection for Men & Women – Adjustable Visor – Matte Poppy/Terra, Medium
Fit and Size: Medium
Ventilation: 20 fixed vents
Weight: 11 Ounces
Safety Standards: multiple standards
Retention System: easy-to-adjust
Visor: adjustable, two positions
MIPS Technology: Yes
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Buying Guide for the Best Mountain Bike Helmets
Choosing the right mountain bike helmet is crucial for your safety and comfort while riding. A good helmet can protect you from serious injuries and enhance your overall biking experience. When selecting a mountain bike helmet, consider the following key specifications to ensure you get the best fit for your needs.Fit and SizeThe fit and size of a helmet are critical for both safety and comfort. A helmet that is too loose or too tight can be uncomfortable and may not provide adequate protection. Helmets come in various sizes, typically measured in centimeters around the head. To find the right size, measure the circumference of your head just above your eyebrows and refer to the helmet's sizing chart. A properly fitting helmet should sit level on your head, with the front edge one inch or less above your eyebrows, and should not move when you shake your head.
VentilationVentilation refers to the number and size of vents in the helmet, which allow air to flow through and keep your head cool. This is especially important for mountain biking, where you may exert a lot of energy and generate heat. Helmets with more vents or larger vents provide better airflow, which can help prevent overheating. If you ride in hot climates or tend to sweat a lot, look for a helmet with good ventilation. Conversely, if you ride in cooler conditions, you might not need as much ventilation.
WeightThe weight of a helmet can affect your comfort, especially on long rides. Lighter helmets are generally more comfortable and less tiring to wear. However, they can also be more expensive. Helmets are typically made from materials like polycarbonate, fiberglass, or carbon fiber, with carbon fiber being the lightest and most expensive. If you plan on long rides or competitive biking, a lighter helmet might be worth the investment. For casual or shorter rides, a slightly heavier helmet may be sufficient.
Safety StandardsSafety standards ensure that a helmet provides adequate protection in the event of a crash. Look for helmets that meet recognized safety standards such as CPSC (Consumer Product Safety Commission) in the US, CE (Conformité Européenne) in Europe, or AS/NZS (Australian/New Zealand Standard). These certifications indicate that the helmet has passed rigorous testing for impact resistance and other safety features. Always choose a helmet that meets or exceeds these standards to ensure maximum protection.
Retention SystemThe retention system, or the way the helmet is secured to your head, is important for both safety and comfort. Most helmets use a combination of straps and a dial-adjust system to ensure a snug fit. The straps should be adjustable and comfortable, and the dial-adjust system should allow you to easily tighten or loosen the helmet with one hand. A good retention system will keep the helmet securely in place without causing pressure points or discomfort. Test the retention system to make sure it is easy to use and provides a secure fit.
VisorA visor can help shield your eyes from the sun, rain, and debris while riding. Some helmets come with a fixed visor, while others have adjustable or removable visors. If you often ride in sunny or variable weather conditions, a helmet with an adjustable visor can be very useful. Consider how much sun exposure you typically face and whether you need the flexibility of an adjustable visor. If you ride in dense forests or shaded areas, a visor might be less critical.
MIPS TechnologyMIPS (Multi-directional Impact Protection System) is a technology designed to reduce rotational forces on the brain during an impact. Helmets with MIPS have a low-friction layer that allows the helmet to slide relative to the head, which can reduce the risk of brain injuries. While MIPS helmets can be more expensive, they offer an additional layer of protection. If you are concerned about head injuries or ride in technical, high-risk environments, investing in a MIPS helmet can be a wise choice.