1 )Open-face helmet, light and comfortable
2 )The first-class optic shield is good at anti-scratch
3 )Adjustable ventilation system
4 )The body has absorbing and anti-impacting function
5 )Sufficient in colors and decal

Material:engineering plastic
Standard:DOT GB
S: 53-54cm    
M: 55-56cm
L: 57-58cm