Best Adjustable Bike Helmets in 2026

This Schwinn Thrasher lightweight helmet is designed for youth. Suggested age range: 8-14 years old. Suggested head circumference: 21.25-22.88 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 5-8, but will fit most heads measuring 50-54cm

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.

Side squeeze buckle for easy adjustment

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.

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

Fully featured adult bike helmet designed for safety and comfort

Dial Fit adjustment system for an easy, custom fit

Easy-to-adjust webbing strap for a comfortable fit under the chin

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.

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

FIT SYSTEM - Features our True Fit system for easy one step adjustment every time you ride, it's that simple!

PINCH GUARD - The patented Pinch Guard buckles ensures pinch free buckling.

AVAILABLE IN TWO SIZES: Small (18.5-20.5 in) and medium (20.5-22 in)

ADJUSTABLE-FIT DIAL allows this kid & toddler helmet to grow with your child

14 VENTS to keep your little one cool, even on hot days

💝 IMPACT RESISTANCE: XJD toddler helmet combines a super strong injection molded outer shell and a protective EPS foam inner shell.

💝 HEAD SIZE: X-Small: 18.11-20.08 inch(46-51 cm), suit for 1-5 years old toddler; Small: 20.47 - 22.05 inch (52–56 cm), suit for 5-8 years old kids. We offer two different sizes of toddler helmet in order to give a comfy fit for kids.(Use a string and tape measure to measure your child’s head before order)

💝 SAFE AND COMFORT: XJD kids bike helmet equipped with 14 air vents, integrated bug mesh in the front vents that will keep your little rider comfortable of exercise, reduce sweating. The button closure is easy to open and close. It's covered in soft velcro padding that's comfortable for little chins

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.

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

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).

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. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older

♕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.

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!

Helmet Size L (22.4/22.8 Inch), Glove Size L(3.9 Inch); Package Includes: One Adult MX Helmet + One Pair of MX Goggles + One Pair of MX Gloves;

Light weight durable aerodynamic thermoplastic alloy shell;

Heavily cushioned and comfortable interior;

Its Rugged ABS Shell and shock-absorbing EPS foam effectively reduce the impact of any potential falls, providing essential protection to keep wearer safe from bumps and bruises. Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 5 and Older.

3 sizes, Small (51-54 cm/ 20.0-21.3 in.) for baby toddler and children. Medium (55-58 cm/ 21.6-22.9 in.) for youth teenager and adults. Large (59-61 cm/ 23.2-24.0 in.) for adults. Various colors for men, women, boys, girls and babies. Please choose the helmet size according to the head circumference.

This classic bike & skateboard helmet is perfect for a variety of outdoor activities, including biking, skateboarding, roller skating, scooter rollerblade, longboard, hoverboard.

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 AND WRAPAROUND CHIN BAR - 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. 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 owners manual carefully before using your helmet

X-STATIC AND XT2 PADDING, SWEAT GUIDE AND FLOAT FIT DH W/ FIDLOCK BUCKLE - Quick-drying materials, woven with real silver fibers. Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear. A comfortable and secure fit system featuring an easy-to-turn rubber overmolded dial for adjustments.

DESIGN - Cruise around like a shark out of water in this radical shark filled graphic helmet which features a 3D fin hawk!

STYLE- A perfect light weight helmet for your little rad shark 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.

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.

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

RUGGED: In-mold construction

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

The Women’s Air Force 1 Low “Paisley - Worn Blue” is a women’s-exclusive colorway of the vintage basketball shoe featuring a paisley pattern

A mostly monochromatic white leather design, with white leather on the perforated toe, mid-panel, collar, and heel, gives the shoe a clean appearance

A contrasting, faded blue paisley print is found on the canvas Swoosh and heel with “Nike Air” branding

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.

★🎁 SUITABLE SIZE: 🎅This bike helmet have 2 size for Age 2 and older.Suit for toddler/kids/youth/adult/teenager.Small size is 18.9'' - 21.26''.Medium size is 21.26' - 22.4''.Large size is 22.4"- 24".Measure the circumference slightly above eye brows to ensure you choose the correct size.NOTE:If you have any questions please contact us as soon as possible,we will try our best to solve your problem and give you a satisfactory reply.

★🎁 SAFETY PROTECTION: 🎅The bike helmet use sturdy ABS outer shell and EPS foam inner can absorb external pressure in sporting activities,it can reduce your child risk of injury when biking on,rollerblading or playing.Make you kids more happy on play.

★🎁 ADJUSTABLE STRAPS AND LIGHTWEIGHT: 🎅The kids bike helmets equipped with adjustable straps and spin dial to ensure you achieve a better fit.The spin dial on the back of helmet and chin straps can be adjustable according to your kid’s head circumference.The quick-release clip keeps the helmet securely in place without risk of face scratches or abrasions.

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.

【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.

【Wonderful Material】: This small kids protective gear set is adopted anti-scratch high hardness PE shell padded with Soft EVA material. SAFETY， 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.

【WIDE APPLICATION】: The kids helmet and knee elbow pads with wirst guards are designed for kids sports saftey protection especially for any outdoor activities for many outdoor sports such as skating, skateboard, riding bikes, scooters roller, blading cycling, biking,balance bike ice and roller cycling skating, rolling, ATV, BMX and other extrem sports. Our goal is keep our kids away from hurt when they enjoy the joy of sports.

3 sizes available.

ABS 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.

11 top and side vents keep user cool and comfortable.