The C 70 features an internal sun shield with a manual, easy-slide lever mechanism. The Advanced Polycarbonate Composite Shell provides a lightweight helmet, with superior fit and comfort using advanced CAD technology. The ACS Advanced Channelling Ventilation system allows full front to back airflow to flush heat and humidity up and out. Technical Features Standard ECE Meets or exceeds ECE 22.05 approved. Testing includes energy attenuation, penetration resistance, chin strap structural integrity and labelling requirements for on-road motorcycle helmets. Polycarbonate Shell The Advanced Polycarbonate Shell is designed to be lightweight with a superior fit and comfort, using CAD technology. Visor: HJ-20M • All HJC shields offer 99% UV-A & B protection • Anti-fog lens Pinlock® ready max vision shield Sun Shield: HJ-V7 Integrated Sun Visor: Improved peripheral vision and excellent sunlight blocking help to reduce eye strain. Anti-fog and Anti-scratch coated. Supercool Interior • Supercool Interior keeps the rider cool and fresh with moisture-wicking, odour-free, and advanced silver antibacterial fabric. • Removable interior • Glasses groove: accommodates who wear eyeglasses and sunglasses ACS - Advanced Channelling Ventilation System HJC''s helmets, along with our technology, have added experience in designing the MotoGP race helmets to have the best technology in aerodynamics and ventilation and related fields. HJC''s helmets provide the airiest helmets on the market. Experience the best performance with your HJC helmet. 3 Year Warranty The warranty is applicable to manufacturers defects for up to 3 years from the date of purchase, or 5 years from the date of manufacturing (whichever comes first).