K6 S Karve Helmet Double D retention system Wind protector included Shell 5-density EPS Carbon-Aramid fiber Collarbone safe profile Ventilation Adjustable air vents One wide rear extractor and five front vents Aerodynamics Integrated spoiler Optimized for all riding positions Shell shape designed to reduce turbulence Interior Cheek pads safety release system 2Dry: instant sweat absorption Ritmo fabric cheek pads to facilitate putting on/taking off the helmet, with cheekbone area in Shalimar fabric to ensure stability at high speed Shalimar fabric crown pad for a soft and gentle touch Embracing neck roll profile Fit especially designed to allow wearing glasses Microsense: premium skin comfort Ritmo fabric neck roll and synthetic leather with high abrasion resistance and water-resistant properties Ready for AGV ARK communication system Reflective inserts