The dynamic EXO-GT920 modular helmet features an all-new shell and shape SpeedView drop-down sun visor, a KwikWick II liner and aero-tuned ventilation Premium Polycarbonate shell Dual Density EPS EverClear Anti-Fog Faceshield Optically-clear shield with state-of-the-art fog-free technology Anti-Scratch hardened coating 100% UV-A & UV-B protection with SpeedView Retractable Sun-Visor EverClear anti-fog coating on both surfaces KwikWick II anti-microbial fabric keeps you cool and dry in warm weather, and warm in cool weather Kwikfit cheekpads allow easy on and off of the most common styles of eye glasses.; Aero-Tuned Ventilation Two intake ports across the front of helmet force cool air in while one exhaust vent maximizing the movement of hot air out the back of the helmet. DOT Approved 5 Year Warranty