SAFE CERTIFIED - Meet or exceed the safety standards of FMVSS-218, DOT and ECE-2205. | MATERIALS - The shell is made of ABS engineering material, and the buffer layer is made of high-density EPS. | FUNCTIONS - Lightweight, comfortable and incredibly breathable, ensuring you stay cool while riding dirt-bike, ATV, motorcycle and any other cross-country sports. | ABOUT SIZE - This helmet is smaller than normal helmet. PLEASE MEASURE AND CHECK YOUR SIZE BEFORE ORDERING. | WHAT YOU WILL GET - motocross helmet set (including helmets, goggles, face masks, gloves).