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.

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.

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

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.

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.

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

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

PROTECTIVE: This bike helmet has a durable ABS shell and dense EPS foam interior to keep you safe. Stay seen on the bike path with fully adjustable, reflective nylon chin straps. Remi's full perimeter, rubber edge guard protects the helmet from chipping.

COOLING: Stay cool with 11 breathable vents and channeled interior for optimal airflow in and around your bike helmet. Don't sweat it on super hot days. This bicycle helmet's interior pads are removable, washable and quick-drying.

COMFORTABLE: Nothing's weighing you down. This lightweight helmet is designed with a cushioned interior, chin padding, and an additional thick pad set so you can fine tune your fit.

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.

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

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

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

Protection: Lightweight in-moId construction. MIPS Protection System reduces rotational forces caused by angled impacts

Fit: VaporFit dial adjustment system offers 270-degree fit adjustment with the turn of a dial

Integration: Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience. AirEvac ventilation system integrates with Smith eyewear for fog-free lenses

Integrated rear light adds crucial nighttime visibility; easily removable for daytime riding or to change batteries.

Reflective strips on the top and sides add even more visibility for added protection.

Adjustable dial fit offers 360° adjustability for the perfect custom fit.

MAXIMUN VENTING SYSTEM- The Corvair mountain bike helmets for men and women is engineered for hot days and uphill climbs, with 17 VENTS and a unique interior channel system, air flows freely around your head without sacrificing head protection.

FINE TUNE ADJUSTMENTS- The Corvair womens and mens bike helmet FTA system allows you to dial in a fit that is just right for your head. Corvair bike helmets for women and men should fit snugly and comfortably. Before your purchase, check our sizing tutorial video!

DESIGNED IN THE USA- Wildhorn is a grass roots brand based in SLC, UT. Our HQ is just minutes from world class trail systems. All our products are designed and tested locally. This mens and womens bike helmet is CPSC 16 CFR 1203 certified for cycling use.

[KEEP CHILDREN SAFE] -Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets, which can provide comprehensive and strong head protection for kid. Besides, 3 modes of flashing safety rear light also adds crucial protection.

[ADJUSTABLE KIDS HELMETS] - Children helmets have long-lasting adjustment dial systems, which are adjustable to fit child head circumferences 19.68-22.44 inch (50-57 cm).

[LIGHTWEIGHT CYCLING HELMET] - 250 g/0.55 lb child helmet is ultra light, it will not add pressure to the child neck. It is perfectly suitable for biking cycling skate roller skate for kid and youth.

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.

Comfortable and Lightweight: This mtb helmets for adults made of lightweight material, the inner pad use of breathable material to wear comfortably. The adoption of specialized aerodynamic and ventilation design allow air go through the women's helmets ​which help increase the speed and keep stay cool.

IMPACT RESISTANCE: This bicycle helmets for adults ​pecially designed for adult rider. Material use the tough and durable PVC & PC, EPS foam which help absorb the impact and protect the head during crash.

Visor and Adjustment System: Single-Hand dial retention system is easy to adjust and make the cycling helmet perfect fit on your head,This reinforced large sun visor is designed perfectly to match this biking helmet for you - Visor is easy to move upward to offer you broad sights.

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.

Super-Cool Design: Featuring a unique, Mountain landscape design, this bold adult and youth helmet from Noggn has a distinctive look that will turn heads everywhere you go. Its bold design is more visible for added safety.

Grows With Your Noggn: The unique dial system of this impact-resistant helmet adjusts vertically and horizontally for a custom fit. The helmet can be adjusted to fit adult and youth riders age 14+ with a head circumference of 55-58 cm. Please measure before ordering to ensure a proper fit.

No More Sweaty Head: Our bike helmet has a light (but tough) foam shell, with 11 vents and internal channels to promote airflow. So your head stays cool and comfy, even during the most active of rides.

SIZE: This adult cycling helmet goes with perfect size, Head circumference 57-62cm, head width 7inch/18cm, head length 9inch/23cm equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women.

VENTILATION:The bike helmet designed with 18 Air Vents ensuring optimal air flow.The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool.

SAFETY: 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 firmly connected, thus making sure you are safe in a case of an accident.

EXCELLENT SAFETY PROTECTION: Certified by ASTM, CPSC, CE, and EN1078. The one-piece structure combines EPS and PC shells to ensure better shock absorption and provide safer protection. The bike helmet adult is protective and ideal for urban commuting, cycling, skateboarding; also suitable for city, road, electric, trek bike and etc.

HIGHLY VISIBLE: This bike helmet designed with USB rechargeable Front and rear light. While the front lights provide lighting, the rear lights provide higher visibility for the vehicles or people behind you, providing better protection on the city streets; Features 4 lighting modes, the bike helmet light can be easily changed lighting modes from Steady into Flashing or Blinking by simple clicks button.

COOL RIDING: 10 strategically placed vents actively capture cool airflow through the front vents and push the hot air out through the rear cooling channels to reduce overheating and keep you cool on your long rides; The bike helmets are lighweight without much pressure on your head even for a longer duration of wearing.

【USB Charging Tail Light】: Increase your visibility in the dark with the USB Charging LED Light. Best for night riding with 9 lighting modes, warn Cars keeping a safe distance and help other riders behind you clearly recognized your direction, Safer and Brighter in night cycling.

【Safety Protection Performance】: EPS foam cushioning, large area reduces pressure caused by an impact. External IN-MOLD (integrated molding) impact shockproof PC, internal EPS integrated molding to absorb impact technology. keeps your head safe. The sun visor from the adult bike helmet would shade the sun and avoid rain into the eyes during the commute, providing safety and comfort.

【Ventilation and Breathable】: This Commuter Bike helmet is more breathable, Structured by 10 air vents ventilation system.Taking away the sultry heat to make the ride more comfortable and more pleasant.

【Safe & Sturdy】PC outer shell and EPS foam inner shell are designed for impact resistance when riding a bike.

【Lightweight & Stylish】This helmet is ultra-lightweight and will not cause any burden to the rider’s head. Highlighted logo design makes it unique and stylish.

【Adjustable】 This standard sized helmet, equipped with the dial fit system and side straps, is adjustable to different head size for both men and women. Suggested head circumference 57-61cm.

Certified Safety. This NHH Freedom helmet has been tested for safety, and passed the federal CPSC safety standard. It is made of premium quality polycarbonate shell and shock-absorbing EPS liner, which can best protect your head in the event of a crash.

Lightweight Yet Safe & Durable. Has been innovatively optimized to achieve an optimal strength-to-weight ratio. It weights only around 8 oz, which will allow you to stay on your bike longer, without neck fatigue, pain or discomfort.

Ventilation. Twenty (20) vent holes enhance wind flow over your head, keeping you cooler and more comfortable as you ride. The inner padding and cushioned chin pad are very comfortable and can be easily removed for wash.

🔥IMPACT RESISTANCE: This Lixada bike helmet is specially designed for adult rider. Material of thickened multi-density EPS foam inside helmet absorb impact energy effectively, and extended rear shaped guarantees full protection to cranial part of head.

🔥LIGHTWEIGHT&VENTILATION: This biking helmet made of lightweight material, the inner pad use of breathable material to wear comfortably.The adoption of specialized aerodynamic and ventilation design allow air go through the biking helmet which help increase the speed and keep stay cool.

🔥CAN ADJUSTABLE TO DIFFERENT HEAD SIZE: Ddial retention system is easy to adjust and secure the cycling helmet perfect fit on your head, It is very important for you to get helmet on head properly because potential dangers occurs easily with small or big size helmet. please measure your head circumference correctly before purchase, This helmet fits head circumferences 22.0 - 24.0in.

IMPACT RESISTANCE - Made of high density and Durable PVC & PC, EPS foam, absorbing the impact and effectively reducing the shock pressure to protect the head during crash.

FITS YOUR HEAD PERFECTLY – While other helmet appears loose and does not fit your head perfectly, our helmet comes with an adjustable harness / wheel ratchet dial that can be adjusted to fit heads circumference measuring 22 to 24.4 inches (Adjustable Dial is located at the rear of the helmet). UPGRADED VERSION: We included 2 forehead cushions to accommodate different head size and preference.

LED SAFETY LIGHT - 3 lighting modes: steady, slow flashing and fast flashing. Improve your visibility during day or night 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

Kids Bike Helmet Set Pink for Ages 3-5-8 Year Old Kids

【Unique DIY Kids Helmet】 Toddler helmet included horse themed stickers, your kids can enjoy and use their imagination to create their own customized bicycle helmet. With knee pads and elbow pads set, effectively protects your kids from injuries during multi-sports, not only protects the baby but also delights the mood. The designed bicycle helmet is a great gift for kids 3-8 years old. (One sticker picture will be given randomly)

【Helmet for Kids 3-8】 The adjustable kids skateboard helmet has an adjustable knob and adjustable straps, boys and girls can easily adjust the helmet to fit their size. Helmet head circumference is 18.9-21.3 inch (48cm-54cm), designed for kids, infants, and toddlers ages 3-5 5-8 girls boys. One infant bike helmet can be used for a few years.

✔Super Attractive Design: Featuring a unique, galaxy sparkle stylish design, this kids protective helmet from LEJIJIT has a distinctive look that will turn heads everywhere your child goes. Its eye-catching design is more visible for added safety.

✔CPSC Safety Certified Kids Helmet: This bike helmets are specially designed for Kids/Toddler/Child Multi-Sports Head protection. Complies with U. S. CPSC safety standard for bicycle helmets for persons age 5 and older.

✔Adjustable Kids Bike Helmet: Our kids helmet is designed with adjustable straps for a custom snug fit, which is suitable for 5-14 years old kids. Adjustable size helmet to accompany kids' growth. 2 sizes available: Small is 51-54cm/20.08''-21.26'' and Medium is 55-58cm/21.65''-22.83''. ❤Attention: Please take a head measurement before ordering to ensure a proper fit.

For A Safe And Secure Ride: Our Cruz urban helmet has a built in visor for protecting the eyes from the sun. The buckle on our helmet aids easy adjustment and makes putting your helmet on and off a simple task.

Premium Material For A Comfortable Trip: Our urban bike helmet is made from premium quality material keeping it lightweight and strong. The padding is made of organic materials and gives your helmet a comfortable fit.

Ultimate Technology Ensuring Your Safety: The Cruz urban helmet is designed with technology and the environment in mind with our BioDome construction using recycled materials. The Lockport in our bicycle helmet can be used to keep your helmet secure when you step away from your bicycle.