K1 S Lion Helmet Double D retention system Shell 4-density EPS High Resistance Thermoplastic Collarbone safe profile Ventilation Two rear extractors and five front vents Adjustable air vents Aerodynamics Integrated spoiler Interior Dry-Comfort fabric Fit especially designed to allow wearing glasses Removable nose guard and wind protector Ready for generic communication system Removable and washable interiors Visor 190° horizontal field of view Anti-scratch Multistep visor mechanism Micro-opening system Extra Quick Release System (XQRS) Pinlock 70 MaxVision prepared (not included)