Best Adjustable Bike Helmets in 2026

MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab.

INTEGRATED MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash.

VENTILATION: 18 Wind Tunnel vents with internal channeling.

Kids helmet for biking, skateboarding, rollerblade, inline skating, longboard, hoverboard, scooter, skating and other outdoor sports

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

Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older and ASTM F-1492 Skate safety standards

MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab

MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash

UNIVERSAL FIT SIZING: Get the right fit, straight out of the box

Graphics and design are inspired by our Demon Team

Fully adjustable visor with aluminum side visor screws

Tough injection molded thermal alloy resin polycarbonate shell

MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab

MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash

COMFORT: Easily adjust position and tension with the Roc Loc Sport MIPS Fit System

Proven MIPS impact protection system reduces rotational forces in a crash

Removable, washable moisture-wicking comfort liner

Optimized venting with channeled, in-molded EPS provides efficient cooling

DOT Approved - Meets or exceeds FMVSS-218 and DOT safety standards. S:55-56 CM,M:57 -58 CM,L:59-60 CM,XL:61-63 CM,XXL:63-64 CM, The helmet size runs smaller than regular helmet, please kindly choose one size up when ordering the dual sport helmet.

Dual Visors - HD enhanced wide-angle lens to increase periferal vision and improve riding safety, and the sun visor is great for protecting against the sun, which can be rotated slightly according to the direction of the sun to avoid direct sunlight. This motorcycle helmet also comes with an inner tinted visor.

Ventilation - Aerodynamic air intake system to introduce fresh air and replace the hot air inside the helmet.

MULTI-SPORT: Flybar helmets for adults and teens are adaptable for multi-indoor and outdoor activities including Inline and rollerblade skating, BMX, bike, Pogo, skateboarding and scooter

DURABLE: Made of high-quality ABS shell, high-density EPS foam inner shell with 1-inch thick shock-absorbing foam

SIZE CHART: For a perfect fit, measure the circumference of your head. S/M (53-55cm/20.8-21.6in); M/L (55-58cm/21.6-22.8in); L/XL (58-61cm/22.8-24in) Features an adjustable spin dial to ensure a safe and snug fit

Impact Resistance: FUNWICT bike helmet is made of high-density PC shell and EPS foam, which can help absorb the impact and protect you well during a crash. Our Bicycle helmet can provide better protection when road bike or mountain bike cycling.

Configuration: Our bike helmet is equipped with rechargeable LED rear light with three modes: steady, fast flashing, and slow flashing. It is necessary to have a bike helmet with light, it will help riders behind you clearly recognize your direction and warning the car.

Lightweight & Breathable: Our cycling helmet is only 340g / 0.75 lb and is designed with 21 air vents, which will not give you any pressure on your head at all, and the cooling vents can move airflow over and you will feel cool and dry when cycling.

MARKET-LEADING PROTECTION: Engineered in Giro’s category-leading helmet test lab

MIPS: Utilizes the Multi-Directional Impact Protection System to redirect energy in a crash

COMFORT: Easily adjust position and tension with the Roc Loc Sport MIPS Fit System

Recommended for ages 1-3, but will fit most heads measuring 48-52 cm

Always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that doesn't fit can be dangerous.

Flexible rubber mohawk with red tips

COMPREHENSIVE PERFORMANCE AND PROTECTION: Engineered in Giro’s helmet test lab.

SPHERICAL TECHNOLOGY AND MIPS PROTECTION SYSTEM: Ball-and-Socket Design, powered by MIPS, redirects impact forces without compromising comfort, ventilation, weight, or style. The market-leading protection system is designed to address rotational motion, for an added measure of protection in certain impacts.

PROGRESSIVE LAYERING: Dual-density EPS foam liner designed to address high and low-speed impacts for more comprehensive energy management.

VERSATILITY: Our dual-sport helmet is the perfect fit, whether you are hitting the road or trail on your motorcycle, dirt bike, ATV or snowmobile. No need for extra helmets to take up space in your garage; get the most out of your gear with a dual-sport helmet.

YEAR-ROUND RIDING: If you ride in all 4 seasons, then you need this dual-sport helmet. Pair it with the cold-weather kit (sold separately WPS PN: 72-3348) to transition from the desert sun to a winter snowstorm. Your season never has to stop when you switch to the GM-11.

DETAILS MAKE THE DIFFERENCE: We've included a large eye port for compatibility with goggles as well as the ability to close the shield over the goggles, the option to easily switch between visor or visorless, a shield that can be raised completely out of sight when up, integrated speaker pockets and many other bonus features that make every ride with the GM-11 unforgettable.

LIGHTWEIGHT & IMPACT RESISTANCE- Lightweight performance polycarbonate shell covers the EPS liner, allowing the mountain bike helmet to absorb impacts and provide protection from sharp objects, providing greater protection towards the base of the skull and top of the neck area. BASE CAMP bike helmet meets US cycling standards.

18 OPTIMIZED VENTS: The MTB helmet combines active vents in the shell with internal exhaust channels that thrust fresh, cool air over and around your head and forcing hot air out,which help increase the speed and keep stay cool.

LARGE VISOR - The mountain bike helmet men has a large visor at the front of the mtb helmets which helps to keep both dirt and the sun out of your eyes.Visor is easy to move upward to offer you broad sights. Ideal for when you're about to tear up the trails.

[Dynamic Design Helmet]: AHR RUN-M3 Modular Flip Up Helmet features dynamic streamlined design with stylish pearl silver, making it never out of date; Flip up design for convenient phone talking or smoking; Suitable for motorcyclists to use in daily rides, ATV, motocross or dirt bike, etc

[Safe & Comfortable]: Impact resistant & lightweight ABS shell with high-density EPS can absorb impact & shock, providing you a comfortable & safe ride; With breathable eye-bird mesh liner for better ventilation & cozy wear; Meets American DOT certification

[Good Ventilation & Streamlined Design]: Ventilation opening system for air intake and exhaust, bringing you sufficient air flow to offer coolness & breathability during riding; With aerodynamic design to reduce wind drag

Legal Compliance: Meets or exceeds DOT FMVSS 218 and ECE 22.05 certification, complies with the required regulation in the USA

Safety: Open face moped helmet made of advanced thermoplastic shell, high density EPS with comfort fitting and good absorption, super soft mesh inner liner

Ease of use: The Click-n-Secure Quick-Release Buckle is sturdy and can be released with only one gloved hand. Inner liner is removable & washable. The metal visor base can be screwed or unscrewed by hand without additional tool

Aerodynamic ABS Shell, Multi-Density EPS, Reinforced Chin Strap, Quick Release Buckle

Fully removable and washable interior liner.

All purpose product for Motocross, ATV, Dirt Bike, Street, Off-Road and more riding

In-mould for a durable connection with the outer shell with shock-absorbing helmet material

Soft tune system - elastic, Variable adjustment system for a secure fit and outstanding comfort

Forced air cooling technology - intelligent ventilation system with five ventilation holes connected to one another by specially designed flow ducts

The Vega Warrior II Motorcycle Half Helmet for Men & Women by Vega Helmets is the ideal motorcycle helmet for those looking for a more comfortable stylish helmet with its small, lightweight, custom-fit, and feature packed design.

OPTICALLY CORRECT DROP DOWN SUNSHIELD – Protect your eyes from sun, bugs, and debris while enjoying the sights with the easy to use, optically correct, drop down inner sun shield on the Warrior half face helmet.

FEATURE-LOADED – The Rebel Warrior skull cap helmet features a NEW size-adjustment dial system for the perfect custom fit for your head, an advanced moisture wicking liner, channeled EPS for increased cooling & safety, and padded quick-release strap.

Exceptionally lightweight – our lightest helmet so far

Highly ventilated

Enhanced structural integrity

RENEXAS safety air flow helmets for adults is intended with a head circumference of 58 to 62 cm. In hot weather, 13* vents with a unique innovative architectural circulate air to keep your brain cool and dry. Furthermore, our small - black, blue, and grey matts headgears are pretty lightweight to calm the nerves on your heads with durability.

Our adult bike helmets for men are CPSC approved (American National Standard) and expertly made with polycarbonate solid PC shell and high-density shock absorbing EPS foam, giving it exceptional shock absorption and drop resistance, significantly lessening impact forces, and providing you with the most trustworthy safety. Our medium adult helmet is useful for cycling and much more.

RENEXAS mtb helmet takes few hours for a rechargeable led light to reach full capacity and keeps you visible with safety on the road behind you to see where you're going.

SPIN technology (Shearing Pad INside) - our patent-pending silicone pad technology system

Optimal liner density and thicker core protection zones

360 degrees size and strap adjustment system for the most precise and secure fit

FULL HELMET: This full-face helmet offers total face and head coverage without all the weight of traditional full helmets. The lightweight polycarbonate-blend shell allows comfort and protection to move without skimping on safety standards.

ULTIMATE COMFORT: With a dual-density EPS liner and a high-flow ventilation system (6 intake and 5 exhaust vents), these helmets boast both safety and comfort. This DOT- and ECE-approved motorbike helmet is perfect for any small road or highway!

DETAILS: With a large, clear face shield complete with an anti-fog, hard coating, this helmet provides optimal visibility. It also has an inner tinted face shield that drops down and provides 100% UVA/B sun protection up to 400 nanometers.

One set Motorcycle Gloves for Men and Women with 2 Visors (Nature and Dark Brown) and 1 Helmet Lock

Advanced and Lightweight Durable ABS Shell

Streamlined Aerodynamic Design Reduces Wind Noise and Drag

Material : Made of ABS shell reinforced composite, Environmental coating surface treatment. High-density EPS buffer, comfort and softness removable washable mesh lining, the helmet body design can be more effective and protect the head under pressure.

Quick Buckle : Quick release buckle system, provide perfect protection, give your ride a lot of fun.

Motorcycle Helmet: Helmets comply with DOT FMVSS-218 / ECE R2205 safety standards. Which Means That It Is Approved for All European and US Road Traffic, It is a very important safety tool in your outdoor life.

LIGHTWEIGHT FULL CARBON SHELL CONSTRUCTION AND INTEGRATED EJECT COMPATIBILITY - In case of a crash, this design lets first responders gently remove helmets from a rider's head, reducing the potential for secondary injuries.

X-STATIC AND XT2 PADDING - Quick-drying materials, woven with real silver fibers.

OVERBROW VENTILATION - Overbrow Ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilation.