Helmet size chart

S: Head circumference:48cm-52cm/18.9"-20.5"; Head width:16cm/6.3" (Recommendation children /Kids)
M: Head circumference:52cm-57cm /20.5"-22.4"; Head width:17.5cm /6.9"(Recommendation Youth /Teen )

L: Head circumference:57cm-62cm /22.4"-24.5" Head width:18.5 cm/ 7.3"(Recommendation Adult )

Wrist Elbow Knee Pads size chart
Size L: Fit for body weight about 55-80 kg /121-176 (pounds) 
Size M: Fit for body weight about 45-55 kg / 100-120(pounds) 
Size S: Fit for body weight about 22.5-45 kg / 50-100 (pounds)
Specification

Material: Multi-impact ABS Shell +EPS foam Liner
Conforms to EN1078, CE Standards
Application: BMX, Skateboard, Skidding, Bicycle, Cycling and other outdoor sports
Features:
Fully Adjustable Quick-Release Chin-Strap and spin dial (which can easily adjust the size of helmet according to your head circumference to get a better fit.)
This helmet is ideal helmet for biking, skateboarding, long boarding, inline skating (roller blading) and roller skating.
Skateboard Helmets offer you maximum protection at a minimum price.
Lightweight and superbly well ventilated these skate helmets will ensure that you are protected from serious head injuries.
The helmets are designed for maximum comfort to allow you to concentrate on your riding with the confidence that you have full head protection.
Note:
Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.
Return Policy:
You can return the item within 30 days after delivery. For quality issue, we can refund or send a replacement; for shipping issue, contact us firstly, so that we can check the shipping and resolve the issue for you; for other issues, contact us, and we would assist you resolving the issue.

1 x Helmet
2 x Elbow pad
2 x Knee pad
2 x Wrist pad

Multi Sports Gear - As ideal skateboard accessories, the cool helmets are widely used in skating activities such as skateboarding, roller skating, inline skate, scooter, rollerblading, longboard and two wheel electronic board.
Impact Resistance - The skateboard helmet adopts durable tough shell with soft liner which could absorb external pressure caused by crash in skating activities.
Ventilation - As designed with 11 vents, special aerodynamic design, and the skate helmets help reduce sweating and feel cool even during intense body movement, which considered as cool helmets for skateboarding or roller skate.
Adjustable Straps and Spin Dial - The skateboarding helmets equipped with adjustable straps and spin dial for Adult /kids to adjust flexibly to get a better fit.