4-year limited warranty. AEGIS† antimicrobial treatment prevents odor and bacteria. Aerdynamic visor. Removable and washable premium high comfort liner. 8 vents provide improved airflow. Micrometric chin strap attachment - Easy one-hand opening, even with gloves (not approved for racing applications). D.O.T. and E.C.E. certified. 1210 g ± 50 g for small shell (Sizes: XS, S & M). 1265 g ± 50 g for large shell (Sizes: L, XL & 2XL).