SHELL: SHELL FIBER tri LINER / CHEEK: Cool Silver / removable and washable • Advanced Cooling System "ACS" Advanced Channeling Ventilation System: Full ventilation of the helmet that allows the escape of heat and humidity • Frontinus: The built-in visor sun visor can be lowered if required (patent pending) • Wide opening for maximum visibility and to ensure comfort even when wearing glasses Very comfortable • Strap