New ventilation system will keep you breathing easily and eliminate mouth odor. * Keeps Warm & Well protected from cold, snow, wind & sun etc. * Soft, comfortable & ultra light weight. Fits Comfortably In Your Pocket * Unisex: Men & Women, Boys & Girls, Stretchable, one size fits most * Machine Washable (use mild detergent & fasten velcro before washing, hang dry)