1.High density EPS and ABS material.
2. High quality thicken carbon fiber lining .
3. The unique design of holes on the shell serves as ventilation system
4. Size: S (50-53CM), M(53-57CM), L(58-61CM)
5. Helmet shell color is optional and logo custom, OEM brands are warmly welcome.
6. Could be customized with locking clip to secure helmets for rental business