HiCool Ski Helmet, Winter Snow Snowboard Skiing Helmet Unisex Adult Sports Helmet Snowmobile Skateboard Cycling Helmet EN1077 Protection--ABS shell and EPS liner complies with EN1077 standard, CE & ASTM certified withstand strong impact resistance Adjustable Fit & Lightweight--micro Adjuster, inner fleece padding, soft ear pads, soft chin band, for perfect fit and confortable wear. Only 19 oz in weight with portable design Good Air Ventilation-- Expect six fixed vents, four Adjustable vent on the front of the helmet, you can easily switch it to regulate your body temperature no matter what the weather conditions Attachable Design--Removable Earmuffs and Lining, easy to remove and very convenient to do daily cleaning. Snow goggles can be perfectly wear and fit with the helmet without any foggy Great for All Snow Sports--You will get effective protection and ultra-comfort no matter you are skiing, skating, snowboarding or do other winter outdoor sports! Read here to choose the right size (S:48-54cm, M:54-58cm, L:58-61cm)