Mammoth is composed by an outer ABS hard shell. Thermal comfort is guaranteed by internal tunnels linking the front holes to the rear ones. Mammoth’s fit is the result of an adjustable 3d Roll fit that allows a three dimensional fit setting for the best helmet wearability.Features:- In moulding shell + EPS Liner- Thermoformed, removable, washable inner padding with Anti-Bacteria Treatment- Removable soft ears- Integrated slim rollfit with vertical adjustment- Passive ventilation of the Venturi Airflow with active frontal ventilation- Buckle: Plastic- Finishes: Matt shinySpecifications:- Weight: 570 Gr- Certifications: ASTM F2040:11 - CE EN 1077/B