K1 S Soleluna 2018 Helmet Double D retention system Shell High Resistance Thermoplastic 4-density EPS Collarbone safe profile Ventilation 2 rear extractors and 5 front vents Adjustable air vents Aerodynamics Integrated spoiler Interior Dry-Comfort fabric Ready for generic communication system Fit especially designed to allow wearing glasses Removable and washable interiors Removable nose guard and wind protector Visor Anti-scratch Micro-opening system Multistep visor mechanism 190° horizontal field of view Extra Quick Release System (XQRS) Pinlock 70 MaxVision prepared (not included)