DESIGN: Construction: In-Mold, 20 vents Inner evacuation channels Rotexx: patent-pending Rotary Damping System Spiderlock® Solo IV: Permanent helmet stabilizing system Its inclination is fixed and it has a headband that completely surrounds the head It can be easily tightened using only one hand thanks to its dented wheel Steplock divider Cam locking device to quickly adjust strap position Airdry® padding: Adjustment padding for better comfort