Best M Kids Bike Helmets in 2026

💝 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

Complies with U.S. Consumer Product Safety Commission Safety Standard for Bicycle Helmets for Persons Age 1 and Older

LED LIGHT:Light up with 3 modes-Steady Flash/Slow Flash/Fast Flash,,Batteries(2*LR41) included.

TWO SIZE AVAILABLE: XS: 18.5''-20.5''(47-52cm) suitable for toddler infant ages 2-4/3-5 years old ; S: 19.7''-21.2''(50-54cm) suitable for child boy/girl ages 5-8 years old.

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

[IMPACT RESISTANCE] Build-in reinforced PC shell and high density EPS foam adds durability and extra protection from potential injuries during your kids outdoor biking sports.

[TWO SIZE AVAILABLE] XS: 18.8''-19.7''(48-50cm) suitable for toddler ages 2-4/3-5 years old; S: 20''-21.3''(51-54cm) suitable for kids boy/girl ages 5-8 years old. Make sure to measure your kid's head before choose the right size.

[VENTILATION&COMFORTABLE] This lightweight bicycle helmet that is really relief the pressure for baby kids. With 14 ventilation vents and adjustable fit dial that will keep little heads cool and comfortable even on hot summer days.

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 ASTM F 2040, CPSC and EN 1084.

[IMPACT RESISTANCE] Build-in reinforced PC shell and high density EPS foam adds durability and extra protection from potential injuries during your kids outdoor biking sports.

[TWO SIZE AVAILABLE] XS: 18.8''-19.7''(48-50cm) suitable for toddler ages 2-4/3-5 years old; S: 20''-21.3''(51-54cm) suitable for kids boy/girl ages 5-8 years old. Make sure to measure your kid's head before choose the right size.

[VENTILATION&COMFORTABLE] This lightweight bicycle helmet that is really relief the pressure for baby kids. With 14 ventilation vents and adjustable fit dial that will keep little heads cool and comfortable even on hot summer days.

DOT AND ECE CERTIFIED: Thoroughly tested and fortified in case of a crash. Ideally, street bikes, dirt bikes, snowmobiles, off-road, and ATVs, can be used for some entry-level racing competitions as well.

BUILT-IN ACTION CAMERA MOUNT: Designed to install the camera and capture all your riding adventures and racing competitions. Moreover, a headlight can also be attached to improve riders' safety. (Camera and light are not included)

INTERIOR & COMFORT LEVEL: ILM chooses to equip the helmet with a 3D comtex inner liner which is softer and super comfortable and has high moisture absorbs capabilities. Keeps your head cooler and dryer during a long ride.

[IMPACT RESISTANCE] Build-in reinforced PC shell and high density EPS foam adds durability and extra protection from potential injuries during your kids outdoor biking sports.

[TWO SIZE AVAILABLE] XS: 18.8''-19.7''(48-50cm) suitable for toddler ages 2-4/3-5 years old; S: 20''-21.3''(51-54cm) suitable for kids boy/girl ages 5-8 years old. Make sure to measure your kid's head before choose the right size.

[VENTILATION&COMFORTABLE] This lightweight bicycle helmet that is really relief the pressure for baby kids. With 14 ventilation vents and adjustable fit dial that will keep little heads cool and comfortable even on hot summer days.

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

Size S - Suggest for kids 4-8 years old

Dual Certificate - US standard CPSC 1203 & ASTM 1447 verified.

DOT CERTIFIED FOR YOUR KID'S SAFETY: Thanks to its lightweight but extremely durable composite thermal polymer shell, our youth motorcycle helmet keeps your kid safe and comfortable when riding. Light in weight and elastic in design, our dirt bike helmet provides optimal impact absorption to meet DOT safety standards. Super strength at minimum weight!

EASY-BREATHE VENTILATION SYSTEM: Our helmet's design is optimized to maximize airflow throughout the helmet for enhanced comfort and optimal temperature control. Thanks to our Click-n-Secure system and the Quick Release Clip, our youth bike helmet can be easily fastened and unfastened with just one hand, even with gloves on!

REMOVABLE INNER PADDING: Our kids dirt bike helmets include a heavily cushioned, breathable and very comfortable interior that offers a very pleasant feel thanks to its three-dimensional head shape. The inner padding is removable and washable for maximum functionality. Lightweight, Heavily Cushioned and Comfortable... your kids will love riding in our Armor youth motocross helmet!

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 and goggles for maximum comfort, venting and storage convenience, AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses

FEATURES: 20 fixed vents for consistent airflow, Integrated visor, Performance comfort lining, Lightweight, low-bulk single-layer webbing

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

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)

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[IMPACT RESISTANCE] Build-in reinforced PC shell and high density EPS foam adds durability and extra protection from potential injuries during your kids outdoor biking sports.

[TWO SIZE AVAILABLE] XS: 18.8''-19.7''(48-50cm) suitable for toddler ages 2-4/3-5 years old; S: 20''-21.3''(51-54cm) suitable for kids boy/girl ages 5-8 years old. Make sure to measure your kid's head before choose the right size.

[VENTILATION&COMFORTABLE] This lightweight bicycle helmet that is really relief the pressure for baby kids. With 14 ventilation vents and adjustable fit dial that will keep little heads cool and comfortable even on hot summer days.

[IMPACT RESISTANCE] Build-in reinforced PC shell and high density EPS foam adds durability and extra protection from potential injuries during your kids outdoor biking sports.

[TWO SIZE AVAILABLE] XS: 18.8''-19.7''(48-50cm) suitable for toddler ages 2-4/3-5 years old; S: 20''-21.3''(51-54cm) suitable for kids boy/girl ages 5-8 years old. Make sure to measure your kid's head before choose the right size.

[VENTILATION&COMFORTABLE] This lightweight bicycle helmet that is really relief the pressure for baby kids. With 14 ventilation vents and adjustable fit dial that will keep little heads cool and comfortable even on hot summer days.