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.

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 - 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.

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 - 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!

INTEGRATED MIPS: MIPS Protection System is integrated with the Roc Loc Sport Fit System for an added measure of protection in certain impacts plus market-leading fit and comfort.

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

VENTILATION: 18 vents.

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

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

Each youth kids ATV helmet is equipped with 1 pair of sports gloves and 1 pair of UV-resistant goggles which is designed with sponge cushion for comfortable wearing. Helmet size: Small:18-19inch; Medium:19-20inch; Large:20-21inch;X-Large:21-22inch.

The youth kids dirt bike helmet is made of quality ABS shell and high-density EPS padding. Meets or exceeds FMVSS-218 and DOT Safety Standards. Providing better protection for your children when riding off road, bike, ATV and participating outdoor sports.

The youth kids motorcycle helmet is designed with multiple vents for better air flow and removable cheek pads which absorb sweat and are breathable while simultaneously in ensuring safety.

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

✅【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.

Integrated MIPS Protection System

Hardshell With In-Mold Hardbody Lower Wrap: The two-piece shell combines a tough outer hard shell with a polycarbonate lower shell permanently fused to the liner for durability without excess weight

Quick Link Removable Visor

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

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.

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.

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

✅【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!

【Kids Helmet for Multi-Sports 】Intended for：3-8 years old kids| Size: 18.9-21.3 inch (48cm-54cm)| Color:Black, Blue,Pink, Red, Green. Adjustable toddler helmet size to accompany kids' growth, It is a perfect gift for boys and girls.

【High Quality Durable Material】Our kids helmet is made of ABS and shock-absorbing EPS foam, Constitute multiple protection system, specially designed for multiple-sports head protection.

【Adjustment-Comfortable】This kids bike helmet has a special adjustment dial system & adjustable straps to ensure your children achieve a perfect and safe fit. And 11 individual air vents that will keep your kids Cool & Comfortable for fun when playing.

Dry erase bike, skate, and scooter helmet for children includes five non-toxic dry erase markers and stencil kit for creating custom helmet designs

Sturdy and stylish, kids can draw and stencil designs on the helmet, and then erase and start over for a fresh look

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

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.

NO-TWIST TRI-GLIDES & X-STATIC AND XT2 PADDING - Quick-adjust fasteners that help keep straps flat and properly positioned. Quick-drying materials, woven with real silver fibers.

MIPS-EQUIPPED & WRAPAROUND PROTECTION - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. Removable protective chin bar, designed for trail riding adaptability. Attaches with a simple 3-step connection process no tools required.

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.

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

PINCH GUARD – The patented Pinch Guard buckle ensures pinch-free buckling

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).

Made for Great Days on the Bike: Whether you’re hitting the road for the day or just facing the daily commute, the Smith Signal helmet gives you the protection you need no matter where your wheels take you

Your Protection at its Core: Our Signal helmet features the MIPS Safety Protection System and is CPSC & CE EN 1078 certified

Stay Cool & Eliminate Foggy Lenses: With 21 fixed vents for consistent airflow and the AirEvac system to integrate with Smith eyewear, you’ll stay cool and your glasses will stay clear

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

VENTILATION: 25 wind tunnel vents with internal channeling

Tailor Made for Your Head: The Convoy was designed to be a helmet that ticks all the boxes, with lightweight protection, a fixed visor, a comfortable fit, and all the ventilation you need for even the hottest days on the trail

Your Protection at its Core: This helmet features the MIPS Safety Protection System and is CPSC & CE EN 1078 certified

Stay Cool & Eliminate Foggy Lenses: With 20 fixed vents for consistent airflow and the AirEvac system to integrate with Smith eyewear, you’ll stay cool and your glasses will stay clear

Shell weight (size L): 1450grams (±50)

Ultra-plush removable/washable padded liner

Rubber roost nose guard. Lightweight

Complete Helmet & Ski Goggles Set: Our ski helmet with detachable goggles is necessary for anyone loves snow sports. This set effectively provide complete protection to you head. You will have great fun when skiing, skating, snowboarding, or doing other snow sports!

Complete Protection: The helmet and the goggles are made of premium material. They all meet safety certification. The helmet is shockproof and penetration resistant. Neither the helmet nor the goggles will remove around, effectively protecting your head from getting hurt or injured.

Durable and Comfortable Design: Built with 28 air vent holes for great ventilation. The goggles with Flow-Tech Venting Design not only reduces fogging but also optimizes the flow of air over the inside of the lens. Reasonable designed ventilation holes protects you from freezing wind and blurred fogging vision. Both helmet and goggles perfectly fit well!

💝 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