The TSG Gravity helmet features a tough skate-style hardshell construction and is anatomically shaped for a great fit and wearing comfort. Fourteen aerodynamic vents provide a comfortable temperature and fog-free goggles. Construction Hardshell helmets are made of ABS or PP plastic. The outer shell gets bonded to the EPS core for a two-piece construction that provides high durability and ultimate high-impact protection. Ventilation The helmet comes with a passive ventilation system. This automatically ensures ideal ventilation and keeps the goggle fog-free. Fit System The TSG Tuned Fit System allows you to dial in your fit using different thickness comfort pads (2 sizes) on the interior. Safety standard EN 1077, ASTM 2040 FeaturesHardshell constructionTuned Fit System14 vents with airflow channelsCoated front rimComfort padding in 2 sizes includedRemovable soft ear pads and neckGoggle clip