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.

Adjustable dial fit offers 360 degree adjustability for the perfect custom fit, Fits head circumferences of 44-50 centimeters

Lower molded shell adds durability and extra protection in the rear

Built in sun brim for protection against the elements

The Schwinn Thrasher lightweight helmet is designed for adults; suggested age range: 14 years old and up; suggested head circumference: 22. 88 to 24. 5 inches

Full Schwinn 360° Comfort featuring an adjustable dial fit knob and full-range padding for the perfect custom fit.

Two microshell layers and full-coverage EPS foam construction provides lightweight durability

Recommended for children ages 3-5 and Fits head sizes: 48-52 cm

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

High-impact reflectors for visibility

Style: Nino brings fun graphics, cool colors and Bern's patented soft flip visor to the littlest riders.

Comfort: Quick-adjust, hook-and-loop stabilizing adjustment at back of head ensures proper fit. Wicking polyester lining keeps moisture away from head and face; removable liner is machine washable.

Protection: ZipMold construction injects high-impact liquid foam and fuses it to a lightweight PVC shell for a seamless, low-profile fit and high strength-to-weight ratio. Meets Safety Certifications CPSC and EN 1084.

DESIGN - A bright pink helmet that has 3D kitty ears and a holographic tiara with a large red gem!

CONSTRUCTION - Adjustable straps for a custom snug fit, and aerodynamic cooling vents for great airflow. Durable outer PVC shell, and impact dampening expanded polystyrene inner foam construction.

STYLE - Perfect light weight helmet for your little princess to use while riding a bike, scooter, skateboard or rollerblades!

design - kids love the black bendable 3d rubber mohawk and classic moto style flame printed graphics.

style- perfect light weight helmet for ripping around on a bike, scooter, skateboard or rollerblades!

specification - recommended for ages 8-14 years but will fit anyone with a head measuring 54cm-58cm. always take a head measurement. head sizes and shapes can vary, even within an age range. using a helmet that does not fit can be dangerous.

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

COMFORT: Easily adjust vertical position and tension with the Roc Loc Jr. fit system.

CERTIFICATION AND VENTILATION - Complies with the US CPSC Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Protection). 8 vents

STYLE & DESIGN - Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors.

FIT SYSTEM - Our True Fit system for easy one step adjustment every time you ride, it’s that simple.

REFLECTORS - High-impact reflectors for visibility.

DESIGN - Riders love the fabric covered helmet with applique studs, glitter and color matching straps! The helmet is B-dazzled w/over 60 sparkling gems

CONSTRUCTION - Adjustable straps for a custom snug fit, and aerodynamic cooling vents for great airflow. Durable outer ABS shell, and impact dampening expanded polystyrene inner foam construction

STYLE - Perfect helmet for your little fashionista to use while riding a bike, scooter, skateboard or rollerblades

📍 𝗪𝗛𝗢 𝗗𝗢𝗘𝗦𝗡’𝗧 𝗪𝗔𝗡𝗧 𝗔 𝗣𝗘𝗥𝗦𝗢𝗡𝗔𝗟𝗜𝗭𝗘𝗗 𝗛𝗘𝗟𝗠𝗘𝗧? Simply Kids DIY Helmet set includes themed, alphabet, and reflective stickers that your little one can enjoy and exhibit their creativity in designing their own Helmets. It’s Easy, Safe, and Fun!

📍 𝗖𝗢𝗠𝗣𝗟𝗜𝗔𝗡𝗖𝗘 & 𝗖𝗘𝗥𝗧𝗜𝗙𝗜𝗖𝗔𝗧𝗜𝗢𝗡 - We are committed to creating the best safety products for our children that is why compliance with the safety standard is important. Test passed and Certified by CPSC1203, ASTM1447, and EN1078.

📍 𝗖𝗢𝗠𝗙𝗢𝗥𝗧 𝗔𝗡𝗗 𝗦𝗔𝗙𝗘𝗧𝗬 - It's lightweight and smooth ventilation system will make our kids love the comfort of wearing their helmets.

DESIGN - The 3D fin hawk lights up with 5 LED lights. Auto-shut off feature to conserve battery.

CONSTRUCTION - Adjustable straps for a custom snug fit, and aerodynamic cooling vents for great airflow. Durable outer PVC shell, and impact dampening expanded polystyrene inner foam construction. 

STYLE - Perfect light weight helmet for your little rad ripper to use while riding a bike, scooter, skateboard or rollerblades!

Recommended for children age 3-5, but will fit most heads measuring 45-53 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.

Easy to adjust chin strap

DESIGN - You'll love the gloss and matte purple and pink leopard print, 3D cat ears, and accent pink buckles

CONSTRUCTION - Adjustable straps for a custom snug fit, and aerodynamic cooling vents for great airflow. Durable outer PVC shell, and impact dampening expanded polystyrene inner foam construction

STYLE - Perfect light weight helmet for ridding around on a bike, scooter, skateboard or rollerblades!

Molded 3D helmet design rocks every kid's world

Shock-absorbing EPS inner shell protects the noggin

Aerodynamic cooling vents keep your bucket fresh

DESIGN - The bendable 3D rubber ears, snout, unicorn horn and mane with cute metallic printed heart graphics bring this mythical creature to life.

STYLE- Perfect light weight helmet for your little rad ripper to use while riding a bike, scooter, skateboard or rollerblades!

SPECIFICATION - Recommended for ages 5-8 years but will fit anyone with a head measuring 50cm-54cm. Always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous.

CLASSIC HELMET: Your toddler will ride in style with this classic helmet. It is designed to fit heads 48 – 54 centimeters in circumference.

ADJUSTABLE SIZE: The chin strap and interior are adjustable to ensure a snug and safe fit as your child grows

SAFE FOR KIDS: This helmet passes U.S. Safety Standard for Bicycle Helmets. The easy-to-use safety buckle secures the helmet in place.

Lifelike skull design in the rear shows other riders you mean business

Super tough outer shell adds premium durability

360 degree internal pad system provides a comfortable fit

A HELMET YOU’LL WANT TO WEAR: Our founder created the first ever stylish bike helmet to keep people who bike and skate safe, while expressing their personal style. She designed a functional and lightweight helmet that doesn’t sacrifice style for safety.

LOCK YOUR HELMET WITH YOUR BIKE: Our patent-pending PopLock is the most convenient way to leave your bicycle helmet behind. Access the hidden channel behind the logo mark, and pop your U-Lock or chain lock through. Perfect for the daily commuter.

GET THE PERFECT FIT: Refer to the fit guide in the images to find the correct size. Tighten or loosen your bicycle helmet with our Dial Fit System in the back of your helmet to get the perfect fit for every ride. Doesn’t fit? Contact us!

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

VENTILATION: 25 wind tunnel vents with internal channeling

COMFORT: Easily adjust vertical position and tension with the Roc Loc 5 fit system

Adjustable Helmet Size: VG110 model bike helmet is suitable for adult men and women, 3 sizes available, size M: 21.3-22.8 inch (54-58 cm); size L: 22.4-24 inch (57-61 cm); size XL: 23.2-24.8 inch (59-63 cm). It is easy to adjust the bicycle helmet size with hand. Our bicycle helmet will give you a comfortable and happy cycling trip.

Cool and Lightweight Cycling Helmet: Our bike helmet is designed with 21 breathable vents, the cooling vents can move airflow over your head to stay cool and dry. This cycling helmet only 310g (0.68 lb) will not cause any burden to the rider's head during cycling.

Impact Resistance: Our bike helmet is made of high-density PC shell and EPS foam, with durable hard shell and soft pad can absorb the pressure caused by external impact. Our bicycle helmet provides better protection when road cycling or mountain biking, greatly helping to decrease and buffer the impact.

Various colors and sizes for users of different ages, genders, head circumferences,multi-sports activities.Available for Person Age 5 and Older,and suggestion: S Size for toddler / kid

High hardness ABS outer shell resists impact and high density EPS inner shell provides shock-absorbing,very safety and durable

Removable foam padding adopt breathable liner heat pressing cotton,special aerodynamic design ,12 air cooling vents to keep the head cool

MARKET-LEADING SAFETY: 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 vertical position and tension with the Roc Loc 5.5 fit system

Fits riders 8+

Adjustable dial fit offers superior 360˚ adjustability for a custom fit

Snap on/off visor protects eyes from the sun and offers extra protection

✅【SAFE AND RELIABLE】 Kids/Youth ATV Helmets make sure kids are safe, DOT safety standards. It has a great amount of padding and protection inside,which provides excellent layers of protection.

✅【SNUG AND COMFORTABLE】 Kids/Youth ATV Helmets are very comfortable and not too heavy for the kids. It is Great gifts or present for your daughter, son, grandson, granddaughter, child, kids and Grandchildren on Christmas Day, New Year, Birthday.

✅【MULTIPLE AIR VENTS DESIGN】Kids/Youth ATV Helmet has multiple air vents around the helmet to maximize air circulation, make fresh air keep entering the helmet, You can have a good riding experience. The optimized vent reduces the wind noise and can ride more quietly.

FUSION IN-MOLDING POLYCARBONATE SHELL AND PROGRESSIVE LAYERING - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet. The process of engineering a helmet liner with variable EPS foam densities to better manage the transfer of energies after some impacts.

FLEX SPHERICAL + MIPS - Comprehensive energy management. Flex spherical enhances our ability to address high-speed impacts, low-speed impacts, as well as rotational impacts. Think of it as comprehensive protection, with the added bonus of being able to design better helmet ventilation.

X-STATIC PADDING AND WRAPAROUND CHIN BAR - Quick-drying materials, woven with real silver fibers. A removable protective chin bar, designed for trail riding adaptability -- no tools required. Warning: all chin bars have limits, and serious injury or death can occur. Read the owner's manual carefully before using your helmet.

PLEASE PLEASE measure for size, we cannot impress on you enough how important it is that you measure for the correct size. Each manufacturers sizing is different. Measure the circumference of the largest part of the users head, (usually just above the eyebrows) in inches: Use a paper tape measure or a string and do not pull it too tight, loose like a hat would fit.

SIZE CHART in inches: SMALL: 21 ½ to 22 - MEDIUM: 22 to 22 ½ - LARGE: 22 ½ to 23 - XL: 23 to 23 ½ - XXL: 23 ½ to 24. Head shapes can affect how a helmet fits, the size chart is meant to be a starting point.

Gloves & goggles included! This off road helmet is loaded with features! This is the perfect choice for those looking for a high quality motocross, off-on road or ATV helmet at an affordable price. Typhoon Helmets is American owned and we've been in business selling high quality certified helmets for more than 10 years

Features: Beautiful Glossy UV Protective Finished; Light Weight Extremely Durable Composite ABS Shell; Multi Ventilation Openings, Good Ventilation; Adjustable Sun Visor; Comfortable/Removable/Washable/Breathable Liner; Strong and Sturdy Double D-ring Lock Keep the Helmet Stay on Firmer and Securer.

DOT Certified: Meets or Exceeds FMVSS-218 and DOT Safety Standards, Providing Better Protection for Your Boys/Girls When Riding Off Road, Motocross, ATV and Participating Outdoor Sports.

A Variety of Different Fashion Pattern Designs: They are great for Youth Kids Dirt Bike, Off-road, Street Riding, ATV, Motocross etc, Absolutely a Sweet Birthday/Christmas/New Year Gifts or Present for Your Daughter, Son, Grandson, Granddaughter, Nephew and Niece or Daily Purchases.

Youth Helmet Glove and Goggle combo The quality and price you expect from TYPHOON HELMETS. Typhoon Helmets is American owned and we've been in business selling high quality certified helmets for more than 10 years

PLEASE PLEASE measure for size, we cannot impress on you enough how important it is that you measure for the correct size. Each manufacturers sizing is different. Measure the circumference of the largest part of the child's head, (usually just above the eyebrows) in inches: Use a paper tape measure or a string and do not pull it too tight, loose like a hat would fit.

SIZE CHART Youth Small: 18 to 19, Youth Medium: 19 to 20, Youth Large: 20 to 21, Youth XL: 21 to 22. Head shapes can affect how a helmet fits, the size chart is meant to be a starting point.

【RELIABLE SECURITY】The kids helmet uses advanced technology to tightly combine sturdy PC shell with impact resistant EPS, making the helmet safer and more durable. Trustworthy CE+CPSC dual certification

【360° PROTECTION】The full-coverage construction of this kids bike helmet provides all-round protection for children's heads including the back of the head. Suitable for a wide range of sports types

【COOL VISOR】The removable visor protects the children's eyes from direct sunlight and the skin of their faces from being scratched by tree branches while not blocking the view