Schuberth C3 Pro Sestante Helmet Features: Aerodynamically tuned shell, providing more downforce and reducing buffeting No oscillatory tendency Shell material: S.t.r.o.n.g. fiber Sound levels have been reduced to 82 dB(A) at 60 mph C3 84 dB(A) Interior liner has been designed with fewer seams and a more universal interior fit Improved EPS with integrated antennas for SRC-System which improves radio and Bluetooth range Micro-lock ratchet chin strap Large reflective panels on neckroll Improved face shield ratchet mechanism Integrated sun visor Complex multizone EPS allows optimal shock absorption Coolmax pad system, completely removable and washable (hand wash, 30C) Variable venting for effective ventilation Adjustable for summer/winter Allergen-free Antibacterial Removable comfort liner and cheek pads Anti-Roll-Off System (A.r.o.s.): helmet cannot roll off of the head when the chinstrap is closed and correctly adjusted EasyChange visor mechanism makes changing visors extremely quick and simple without the use of tools. City position visor setting offers maximum ventilation while traveling at slower speeds Pinlock visor prevents shield from fogging DOT (as of Spring 2018, Schuberth USA is no longer importing ECE rated C3 Pro Helmets) Note: Helmet ships with clear face shield. SRC System sold separately. Note: Customers have found that this helmet runs small and recommend sizing up if in between sizes.