High-strength ABS shell, lightweight and impact resistant
Lightweight and lightweight design reduces wind noise
Multi-density EPS safety buffer layer can provide the most advanced energy absorption capacity.
The comfortable soft 3D padded lining is made of breathable technical fabric, hypoallergenic, fully removable and washable.
Removable nose guard design. Quickly remove the lens base for easy lens replacement
 
Detail: 
Material:
Material: Quality ABS
Size:
S fits 55-56cm
M fits 57-58cm
L fits 59-60cmXL fits 61-62cm

XXL fits 62-63cm