Best Adjustable Bike Helmets in 2026

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

LIGHT FULL FACE helmet. MIPS, EPP (slow speed), EPS (high speed) coverage. 690 grams

EFFICIENT VENTILATION SYSTEM to keep you cool. 25 high-flow intake & exhaust ports for high airflow

3 YEAR WARRANTY. Includes bag with breathable mesh paneling. FIDLOCK magnetic buckle system.

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.

FIT: One size fits most cycling helmet. Easily adjust from 54cm to 61cm to fit sizes small, medium, and large (not designed for XXL/62cm/24. 5 inch and up.)

COMFORTABLE: Silas bike helmet is padded, lightweight and aerodynamic to slice through headwind.

BREATHABLE: 24 vents and contoured design with inside air-channels force ventilation through and around the bicycle helmet for a cool, comfortable ride.

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

🆕DOT Approved, Meets FMVSS 218 Standard

🆕Youth Kids atv motocross helmet is impenetrable in safety, light in weight, and elastic in design to provide optimal impact absorption to exceed DOT safety standards.

🆕This atv motocross helmet made in high-quality eps liner material throughout the entire chin bar for enhanced impact absorption.

This ILM lightweight bike helmet is designed for adults, men and women. Suggested age range: 14 years old and up.

Over 360° adjustment dial offers a snug fit according to bikers’ preference. This bicycle helmet has quick release buckles with one touch control for riders to easily put on and off.

Made of PC outer shell and high density EPS foam, weighs around 10 oz.

MEETS DOT SAFETY STANDARDS: Hax motorcycle helmet features an aerodynamic design that reduces wind resistance and minimizes wind noise. The helmet is also equipped with multiple vents that can quickly replace the stuffy air. Plus, it comes with an upgrade emergency padding removal pull for safe and convenient use.

MAXIMUM COMFORT: Our Motorcycle Street Bike Helmet is designed with an upgraded liner that is anti-allergic and extremely comfortable, providing better fit and impact resistance. Additionally, the internal design of the headset slot is more convenient, ensuring that you enjoy your ride in maximum comfort.

ADVANCED FEATURES: The Hax helmet lenses provide clear and wide vision, and with Pinlock Ready plastic nails, you can purchase an anti-fog lens (model DKS274) to install separately (not included). It is suitable for PINLOCK 70. Helmet also come with a thick cloth bag. You can also browse our store or details page to purchase Pinlock lenses.

Bluetooth technology 3.0 version, 8 hours of talk time and 110 hours of standby. Fully washable microfiber lining and adjustable vents. This Helmet Runs 1 Size Smaller Due to Built-in Bluetooth Module. The size of this helmet: S:55-56,M:57-58CM,L:59-60CM,XL:61-62CM,XXL:63-64CM.

One Touch Control for Calling, Answering, Rejecting Incoming Calls and Redialing. Incoming Phone Call Overrides Intercom, Music, FM Radio and GPS Navigation Audio.

Supports a Maximum distance of 1680 Feet Between Two Riders While Using the Intercom Function. Two High Quality Built-in Speakers with Full Stereo Sound to Enjoy Communication or Music.

[Eye Catching & Sharp]: AHR RUN-M3 Modular Flip Up Helmet features streamlined design with dynamic pattern, making you stand out among others; Flip up design for convenient phone talking or smoking; Suitable for motorcyclists to use in daily rides, ATV, motocross or dirt bike, etc

[Safe & Comfortable]: Impact resistant & lightweight ABS shell with high-density EPS can absorb impact & shock, providing you a comfortable & safe ride; With breathable eye-bird mesh liner for better ventilation & cozy wear; Meets American DOT certification

[Good Ventilation & Streamlined Design]: Ventilation opening system for air intake and exhaust, bringing you sufficient air flow to offer coolness & breathability during riding; With aerodynamic design to reduce wind drag

🚀Great and Beautiful UV protective finished,Light weight extremely durable

🚀Dot - DOT Safety Standard, Comes with a Helmet Bag New In Box

🚀Removable & Washable- Removable and washable padding, adjustable circulation vents with flip-up visor

▶ [ DOT MOTORCYCLE HELMET BLUETOOTH FOR YOUR SAFETY] Safety is top priority for your motorcycle helmet. Made of premium ABS shell, our FreedConn helmet motorcycle BM12 is extremely sturdy. Approved by CE & DOT complies with all relevant regulations and standards, the motorcycle helmet with Bluetooth features excellent protection. Inner tinted visor blocks out the sun but still provide you clean vision in front of bike, this DOT helmet Bluetooth ensures safe wearing when you riding off road.

▶ [ 5 SIZE OPTIONAL, COMFORTABLE & LIGHTWEIGHT BLUETOOTH HELMET MOTORCYCLE] It' s vital that your helmet fits you correctly and is fastened on securely. This full face Bluetooth motorcycle helmets is lightweight, only 3.9lb net weight. Helmet size is depend on the replaceable liner, from Large to XX-Large. But we add 2 extra size liners: L-U ( size between M & L) and XXL-U ( size between 2XL & 3XL). 📌 [ NOTE] For any concern about size, we will ship you larger/ smaller pads for better fit.

▶ [ DAILY USE HELMET MOTORCYCLE BLUETOOTH, IDEAL FOR CHRISTMAS/ BIRTHDAY GIFT] Thanks to powerful lithium battery, Bluetooth helmet for motorcycle offers you 8~10 hours talk and 300 hours standby. Voice command/ 1 button control make it easy to answer calls, intercom, listen to music, FM and GPS prompt. Stylish look plus powerful functions, the FreedConn Bluetooth motorcycle helmet is great for daily use and long trip, just enjoy the convenient and effient talk, favorite tunes and safe ride.

Size - OUMURS Dirt Bike Helmet include Adult-M (570 - 580 mm / 22-3/8" - 22-7/8" )；Adult-L (590 - 600 mm / 23-1/4" - 23-5/8")；Adult-XL (610 - 620 mm / 24" - 24-3/8" )；Adult-XXL (630 - 640 mm / 24-4/5" - 25-1/5" )

Safe and Reliable - The OUMURS Dirt Bike Helmet meets DOT FMVSS-218 Safety Standards,made of high quality ABS shell and EPS linings provide security for your driving, it’s a good choice for you as a dirt bike helmet or adult ATV helmet

With Goggles Gloves and Mask - OUMURS Dirt Bike Helmet include the goggles, gloves and mask which you need to in driving. Put on the accessory equipment, windproof and UV resistant, can resist the interference of the sun and give you a more clear and wide vision in riding

Condition: Brand New; Meets DOT standards;3/4 Open Face design makes you fashionable and cool. Double D-ring chin strap retention system.

Super comfortable lining. Lightweight ABS shell, good toughness and durability.It is an essential protective advice for you, which can efficiently reduce the damage even save your life.

o ensure proper sizing, please do the following: Take a head measurement with a cloth tape measure. Wrap tape measure around your head one inch or 25mm or 2.5cm above your eyebrows,directly above your ears and to the widest area at the back of your head. The widest measurement will give you your helmet size. If you donthave a tape measure, you can use a piece of string and measure using a ruler.

【GERMAN STYLE DESIGN】The Open face helmet use German Style design. For those who are looking for more comfortable and fashionable helmets, men's and women's retro half helmet are ideal motorcycle helmets, can provide impeccable impact protection

【PROTECT YOUR HEAD】The helmet body is made of high-quality ABS material, one-piece edge, light weight, high strength, strong and drop resistance, good comprehensive protection performance, can cover the head protection area, can avoid injuries in the event of an accident. meets or exceeds DOT safety standards

【LIGHTWEIGHT DESIGN】The helmet is incredibly light weight only 850g to reduce fatigue caused by nerve pressure for long-distance motorbike or urban cycling commuters.The helmet's small design means that it can easily be slipped into a backpack, under a bike seat or carried under your arm without any effort

Advanced FIBERGLASS reinforced plastic shell, Light Weight and High Impact Resistant

Transparent PC Shield, Scratch Resistant

Features removable, washable COOLMAX comfort liner

Helmet, gloves, goggles & adult chest protector included! This adult off road combo is loaded with features!

Certified to meet the DOT standard (FMVSS 218)

Fully adjustable chest protector recommended for riders 100+ lbs

[180° FLIP-UP DESIGN] Design with 180° modular flip-up chin bar makes it easy to transform from a full-face helmet into an open-face pilot helmet. This design reduces wind noise and resistance, no worry of the chin bar falling down during your ride. Great for short-distance street cruise or long-distance touring comfort

[LEGAL COMPLIANCE] Meets or exceeds DOT FMVSS 218 and ECE 22.05 certification, which means the helmet complies with the required regulation in the USA

[HIGH QUALITY MADE] Featured with high impact resistance ABS shell and EPS buffering inner layer, replaceable microfiber liner and air ventilation system, ensure safety and comfortable wearing conditions

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

Adult Helmet Sizing Chart: Size M: Head circumference 55-57 cm = 21.65-22.44 inches; Hat Size :6 7/8 - 7 1/8 inches; Size L: Head circumference 58-60 cm = 22.84-23.62 inches; Hat Size :7 1/4 - 7 1/2inches; Size XL: Head circumference 61-62 cm = 24.02-24.41 inches; Hat Size: 7 5/8 - 7 3/4inches; Size XXL:Head circumference 63-64 cm = 24.8-25.2 inches; Hat Size: 7 7/8 - 8 inches

【Lightweight ABS shell Motorcycle Helmet】 Our full face mountain bike helmet only weights 2.75 lbs which will not increase pressure to the head and shoulder. Prevent any discomfort in the neck from long hours of riding.

【Adjustable Air Vents】Our motorcycle helmet has multiple vents on the front, top and back for maximum ventilation helping to keep the rider cool and comfortable. Easy to open or close ventilation slits by One hand to reduce wind resistance and minimize road noise.

【Product safety certification】 DOT approved. Meets the FMVSS 218 Standard. The adult ATV motorcycle helmet is made of quality durable ABS shell and high density EPS cushion layer, offering better protection for wearers when riding.

EPS lining.

Computer outer shell.

Whole body shell construction.

★【DOT certified Bluetooth motorcycle helmet】:Bluetooth full facem motorcycle helmet complies with the DOT FMVSS-218 safety standard and has obtained all road traffic safety certifications in the United States. High-strength ABS shell and EPS cushioning layer can effectively protect your head safety.Anti fog lenses make you safer to ride in cold environment.

★【Aerodynamic design】: air circulation is more comfortable, six vents can easily solve the problem of stuffiness, and the light airflow helps the driver to keep cool and comfortable. Aerodynamic design reduces noise. The body of the helmet adopts a streamlined design, which reduces air resistance and makes riding more labor-saving.

★【Comfortable Removable and Washable Inner Lining】: soft and comfortable breathable fabric, completely removable and washable inner lining and seat cushion to protect the head, keep the helmet clean, not stuffy, and no smell.

MATERIAL - Light-weight but extremely durable composite ABS shell, beautiful glossy UV protective finished, protects your head from injury and keeps you safe and comfy while riding

INTERIOR - Heavily cushioned, breathable and very comfortable interior, Removable and washable padding, Quick release buckle,easily put on and off; well vented all purpose full face helmets for everywhere you ride in summer or winter

OCCASION - Various interesting and fashion patterns design makes this helmet funny and cool; Great choice for motocross, dirt bike, off-road, ATV, BMX, street riding, etc

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

Adult Helmet Sizing Chart: Size M: Head circumference 55-57 cm = 21.65-22.44 inches; Hat Size :6 7/8 - 7 1/8 inches; Size L: Head circumference 58-60 cm = 22.84-23.62 inches; Hat Size :7 1/4 - 7 1/2inches; Size XL: Head circumference 61-62 cm = 24.02-24.41 inches; Hat Size: 7 5/8 - 7 3/4inches; Size XXL:Head circumference 63-64 cm = 24.8-25.2 inches; Hat Size: 7 7/8 - 8 inches

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

Light-weight but extremely durable composite ABS shell, beautiful glossy UV protective finished, protects your head from injury and keeps you safe and comfy while riding

Adult helmet size chart: 【Md Centimeter: 55-57CM=21.65-22.44nches】; 【Lg Centimeter: 58-60 CM=22.83- 23.62 inches】; 【XL Centimeter: 61-62CM=23 3/4 - 24 1/4 inches】; 【XXL Centimeter: 63-64CM=24 4/5 - 25 1/5 inches】

Included Sweatsaver liner attaches with hook-and-loop tape and is easily-removable for cleaning; adjustable chin strap

Sweatsaver pads fit very snug when they are brand new, and will break in for the optimal fit; expect to wear for a couple of hours before the helmet is completely broken in

Available in six sizes: XS fits 20.1–20.5 in (51–52 cm), S fits 20.6–21.3 in (52–54 cm), M fits 21.4–22 in (54–56 cm), L fits 22.1–22.9 in (56–58 cm), XL fits 23–24 in (58–61 cm), XXL fits 24-25 in (60–62 cm)

Tball Helmet for Kids 3-5 Helmet for Kids 8-14 Bike Helmets for Men Full Face Kids compatible with Motorcycle Helmet Dot Full Face Helmet compatible with Motorcycle tooth Youth Full Face Helmets Ages 8-14 Bike Helmets for Kids 8-14 with Light Bike Helmet for Toddlers Age 2-4 Boy Helmets for Adults Atv Working Helmet Full Face Helmet Kids 8-14 Pator compatible with Motorcycle Helmet Dot Approved Astronaut Helmet for Kids 8-14 Bike Helmet Kids 5-8 Girls Car Helmet Costume Bike Helmets for Women

Full Face Helmet compatible with Motorcycle tooth Full Face Helmet compatible with Motorcycle Vintage Toddler Bike Helmet Helmet for Kids 8-14 compatible with Motorcycle Youth Full Face Helmet Mtb Helmet for Kids 3-5 Boys compatible with Motorcycle Helmets with tooth Intercom Full Face Helmet Kids 8-14 Full Face Helmet Mountain Bike Adult Kids compatible with Motorcycle Helmet Dot compatible with Motorcycle Helmets for Adults Men Xxl Youth Full Face Helmets Ages 8-14 Bike Helmet Kids 5-8 Girls

Full Face Helmet Kids Mtb Welding Helmet Headgear Sweatband Car Helmet Hanger compatible with Motorcycle Helmet Visor Full Face Helmet Mtb Small Youth Full Face Helmet Bike Youth Full Face Helmet Mtb Full Face Helmet Kids 8-14 Car Helmet Costume Pator compatible with Motorcycle Helmets for Men Toddler Full Face Helmet Xs Bike Helmets for Men Xl Size Kids compatible with Motorcycle Helmet Bike Helmet Kids 5-8 Girls Full Face Helmet Mtb Detachable Bike Helmets for Men Full Face compatible with

🏅 Safe and reliable: DOT/ECE approved, high density ABS body, impact resistant, heat resistant, low temperature resistant

🌞 Sun protection design: extended brim for effective sun protection and protection of your face

🍃 Powerful ventilation: multiple vents for good heat dissipation

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

▶Open Face Half Shell Design Offers Protection Combined with a Wide Field of Visibility Prevents That Claustrophobic Feeling. DOT FMVSS 218/ECE R22-05 Approved, it is very suitable for motorcycles, street bikes, mopeds and electric motorcycles.

▶Lightweight ABS shell with shock-absorbing multi-density EPS has high impact resistance, can cushion the friction and collision that occurs during riding, which can effectively avoid secondary head injuries when accidents occur.

▶With drop-down sun visor: high-quality sun-proof visor, after strengthening treatment, worry-free travel day and night, sun protection during the day and anti-glare at night.