Best Adjustable Bike Helmets in 2026

DURABLE - Built for both comfort and impact resistance with REINFORCED ABS SHELL & THICKENED SHOCK-ABSORBING EPS CORE.

EXTRA REMOVABLE LINING - Skateboard helmet with two removable liner for different head sizes and easy to wash the sweat away.

A HELMET for MULTI-SPORT - Smooth Ventilation System helps to protect and enjoy SKATING, CYCLING, BMX, MTB and etc.

SAFETY FIRST. This Kid's Sport Helmet has undergone intensive safety tests. It fully complies with CPSC 16 CFR Part 1203 safety standards. Thick EPS foam liner underneath absorbs the shock of a collision, and avoid jerking kid’s neck.

LIGHT WEIGHT. Super light weight - approximately 8.1 oz, without sacrificing safety, you won’t feel tired after hours of riding & cycling.

ADJUSTABLE FIT & COMFORTABLE. Adjustment dial system & adjustable straps. Two sizes available Size range: S 18.8”-20.5” (48-52cm), M 19.7"-21.3" (50-54cm).

DOT Approved; M (55-56 CM,21.7/22.0 Inch);

Light weight durable aerodynamic thermoplastic alloy shell

Heavily cushioned and comfortable interior

FEATURES: Includes an EPS liner, outer PC shell, and unibody shell construction

PROTECTION: Aramid fiber grid for protection and durability

FULL COVERAGE: Designed to provide more coverage at the temples and back of the head

Rechargeable Helmet Light: VICTGOAL bike helmet included plug-in USB rechargeable LED light, 3 Lighting Modes-steady, fast flashing and slow flashing, will help riders behind you clearly recognized your direction. The bike helmet light only takes two hours to charge and can be used for 10 hours.

Cool and Lightweight Cycling Helmet: Our bike helmet is design with 21 breathable vents, can effectively reduce air resistance and make you feel cool when cycling. The cycling helmet only 310g (0.68 lb) will not cause any burden to the rider's head during cycling.

Impact Resistance: This bicycle 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 bike helmet will make you feel comfortable and protect you in all directions.

♕MATERIAL - DOT Safety Standard, Beautiful glossy UV protective finished, Light weight but extremely durable composite shell, keeps your kids safe and comfy while riding!

♕INTERIOR - Heavily cushioned, breathable and very comfortable interior, Removable and washable padding, well vented all purpose product for everywhere you ride in summer or winter

♕FUN RIDES AND GIFTS - Various interesting and fashion patterns design makes this helmet funny and cool; Great for youth kids dirt bike, off-road, street riding, etc, absolutely a sweet birthday/Christmas gift for children

✅【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.

SAFETY - This GROTTICO bike helmet meets US & EU cycling standards.

ADJUSTABLE DIAL & STRAPS - The adjustable fit system for men and women. 2 sizes for choice, suggested head circumference: M (55-58CM), L (59-61CM)

INTEGRATED SAFETY REAR LIGHT - Bicycle helmet with USB rechargeable light. Best for night riding with 3 lighting modes, Steady, Flash and Wave.

PROTECTION: Lightweight in-mold construction, MIPS Brain Protection System reduces rotational forces caused by angled impacts to the head.

FIT / INTEGRATION: VaporFit dial adjustment system offers 270-degree fit adjustment with the turn of a dial, Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience, AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses.

FEATURES: 21 fixed vents for consistent airflow, Performance comfort lining, Lightweight, low-bulk single layer webbing

DOT Approved; Helmet Size: M (51-52 CM,20.1/20.5 Inch);

Light Weight Durable Aerodynamic Thermoplastic Alloy Shell;

Top and front ventilation control, 3 position ventilation channels;

Lightweight helmet at 410g (s), 450g (m) or 490g (l)

Built to meet en1078 standards

Includes 2 sets of interior padding for a custom fit

DOT Approved; M (51-52 CM,20.1/20.5 Inch);

Light weight durable aerodynamic thermoplastic alloy shell;

Heavily cushioned and comfortable interior;

Complies with the U.S. Safety Standard. It is made of sturdy PC shell and high quality EPS foam, providing more protection for the cyclist.

2 sizes are available: L, 58-61 cm (22.8-24.0 inch) for adult; M, 54-58 cm (21.3-22.8 inch) for kids age 5 and older. Please choosing the helmet size according to the head circumference.

The adjustable dial and strap can be easily adjusted to achieve a custom fit. Besides, there is a insect net attached on the front of the helmet. Suitable for road / mountain cycling and other biking activities.

Helmet Sizes-M: for head Size: about 52-57cm/20.5-22.4 inch. Skateboard / Skate Protection Gear Size: M: Fit for weight 49.6-121.3lbs (fit for teenagers between 11-16 yrs old)Conforms to EN1078, CE and CPSC Standards.

Multiple Using Range - Skate Protection Set bring you all-round and perfect protection while doing skateboard, roller blading, bicycle and many other outdoor sports.

Upgraded Adjustable Strap - Multiple adjustable helmet strap and elastic pads straps with Velcro closures for secure fit for various knee boys and girls.

Dual certified, urban-style helmet for skateboarding and biking features a vented ABS shell with a subtle brim, and an impact-absorbing EPS liner

Conehead liner construction has collapsing cones that absorb energy and spread force sideways within the helmet; ideal for biking, skateboarding, rollerblading, BMX, derby, and commuting

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

SUPERIOR TECHNIQUE. We follow 3 crucial steps to achieve a solid constructed bicycle helmet by first placing the exterior shell in the mould, then reinforcing it with a skeleton and finally adding the foam that will hold all the parts connected.

PROTECTED, VENTED AND COOL. Everything the cyclist in you could ask for: shock absorption technology, 22 massive air vents for an outstanding airflow across the head and a low profile, innovative design!

ALL ACCESSORIES INCLUDED. This bicycle helmet for adults has all the added features you need: sleek matte design for a classy look, washable pads and a cushioned chin strap for increased comfort.

IMPACT RESISTANCE:These bike helmets are specially designed for Kid / Children safety protection. PC shell resists impact and high quality EPS foam provides shock-absorbing.Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 5 and Older

COOL and COMFORTABLE:14 vents let air go through the skating helmet,Super lightweight 200g(7 OZ) ,more comfortable, cooler rides.and the helmet liner use Velcro adhesive ,can be removable and washable.

2 SIZE AVAILABLE :Adjustable regulator and strap which make it flexible to fit the size of toddler / youth. Size S:50-54 cm（19.7''-21.2''),suitable for 3-8 years old;Size M:54-58 cm（21.2''-22.8''),suitable for 8-14 years old

COMPLIANCE- Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Coverage)

Made of rugged PC outer shell and High-density EPS foam. 11 vents for airflow, keep user cool and comfortable.

Adjustable rear dial and chin straps for custom fit. Size S. For head size: 50-54 cm (19. 6-21. 3 inch). Size M. For head size: 54-58 cm (21.3-22.8 inch).

CERTIFIED SAFETY. This helmet has undergone intensive safety tests. It fully complies with CPSC safety standards. The ABS hard shell and impact-absorbing EPS foam liner provide superior protection from the inside out.

VENTILATION. 12 vents strategically placed at front, top and back to maximize airflow and keep you cool even during intense activities.

SIZE ADJUSTABLE. Rotating the size adjustment dial, you can always get a snug fit no matter what your head shape is. Comes in 2 sizes, S/M for head circumference 21.25”-22.25” (54cm -57cm). L for head size 22.25”-23.75” (57cm -60cm). 2 sets of replacement pads provided for a custom fit.

SAFETY - This PHZ. adult mountain helmet meets US & EU cycling standards.

ADJUSTABLE DIAL & STRAPS - The adjustable fit system for men and women. 2 sizes for choice, suggested head circumference: M (55-58CM), L (59-61CM)

INTEGRATED SAFETY REAR LIGHT - Mountain helmet with detachable USB rechargeable light. Best for night riding with 3 lighting modes, Steady, Flash and Wave.

Size S : Suggest for kids 6 - 14 years old

Size M : Suggest for youth age 14+ years old / slim ladies

Size L : Suggest for adult men and women

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.

【Lifetime Customer Service】: The Helmet is the perfect choice for the protection of your child and toddler’s head. Your child will have the protection meet the standard. As designed with multiple vents, special aerodynamic design and breathable foam, the skate helmets help reduce sweating, adjustable straps can adjust and lock the position of the helmet.

【HEAD SIZE】: Small:19.7 - 22.1 inch(50–56 cm) suitable for 3-8 years old kids; M: 21.7 - 23.2 inch (55–59 cm) suitable for 8-13 years old Youth. The CELOID kids helmet fit system and additional pads are designed to grow with your child's head.

【Wonderful Material】: This small kids protective gear set is adopted anti-scratch high hardness PE shell padded with Soft EVA material. Safety BREATHABLE, WASHABLE!Those high-quality liners are not only durable for many years, but also breathable. Adopted ventilate fabric to keep cool and clean while biking, riding, cycling and skateboarding. Not just Safety but with all elements for you, child, kids and toddler.

CLASSIC & VINTAGE URBAN STYLE - It is specialized designs for the urban commuting, bikes cycling and suitable for city, road, electric, trek bike and etc.Pick from a variety of matte colors to perfectly accent your bike and augment your personality.

SAFETY - BASE CAMP bike helmets are dual safety certified,meets US & EU cycling standards.The construction of the A19 traditional style bicycle helmet is integrated polycarbonate shell with EPS liner,manages the energy from impacts effectively and offering tremendous protection.

SIZE ADJUSTMENT SYSTEM - Adult helmet suitable for most adults head circumference from 22 to 23.6 inches. The easy dial adjustable fit system lets you fine-tune the way the helmet, fits men, women and youth.The soft padding under the chin-strap clasp prevents pinching or rubbing.

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

DOT Certified for Safety - Meets FMVSS-218 and DOT Safety Standard

Beautiful glossy UV protective finished; Light weight extremely durable composite shell;Heavily cushioned and very comfortable interior

Youth Helmet Sizing Chart: Youth Size M: Head circumference 51-52cm= 20.08-20.47 inches; Youth Size L: Head circumference 53-54cm= 20.87-21.26 inches; Youth Size XL: Head circumference 55-56cm= 21.65-22.05 inches; Youth Size XXL: Head circumference 57-58cm= 22.44-22.83 inches

Size XS - Suggest for infant/toddler 1-3 years old

Size S - Suggest for kids 4-8 years old

Size M/L - Suggest for kids/Teens over 8 years old

2 Visors Included: Clear + Smoked and 1 Neck Scarf for Winter Use

Streamlined Aerodynamic Design Reduces Wind Noise and Drag

Advanced and Lightweight Durable ABS Shell

SAFTY AND CERTIFICATION This helmet features lower molder shell and shock-absorbing padding for protection to reduce risk of drop and Extended visor for maximum protection, 6 air vents with integrated bug mesh in the front vents

DESIGNED FOR KIDS : the helmet fit for 5 and older years kids, There are two size S（18.5~20.5"） and M（20.5~22"）, Please use a tape measure your child’s head size.

ADJUSTABLE AND COMFORTABLE Nylon adjustable chin strap is comfortable and insures a secure fit, With head-hugging comfort and advanced fit technologies, which makes the helmet fit more like a comfortable cap than a hard-shell helmet.

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.