Details Conquer the mountain with this full-face protection specialist- the Fox Racing Proframe Helmet is the original full-face trail helmet and is still the market leader. Designed to meet the needs of all-mountain riders and enduro racers, it packs Mips® technology into a superlight shell. Construction Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain Fit 3-position adjustable visor compatible with goggles Includes additional pad set to optimize fit 20/30 mm (installed); 30/40 mm (included) Ventilation Increased ventilation and decreased surface contact area improve cooling Details Meets the ASTM-F1952 Downhill MTB certification standard Removable under visor GoPro mount included 22% ABS, 21% EPS, 15% polycarbonate, 13% polyurethane, 9% Pa Helmet Size Y = 48-52cm / 18.9-20.5" S = 54-56cm / 21.3-22" M = 57-59cm / 22.4-23.2" L = 60-62cm / 22.6-24.8" Weight 680±50 g Y, 720±50 g S, 790±50 g M, 920±50 g L Fox Racing Proframe Full Face Helmet