[Certified Protection - Our ski helmet uses durable ABS hard shell and high-density EPS foam liner to absorb the impact in a fall or collision to protect your head while you have fun; This ROCA ski helmet was ASTM F2040 CPSC CE and CCPSA safety certified "Size Adjustment & Snug Fit - A convenient and secure dial in the back of the snowboard helmet gives you micro-adjustability (53-60cm/20.87-23.62in)to ensure a comfortable and snug fit; Ergonomic design makes this snowboarding helmets construction to fit maximally head contour" Warm & Comfy - With warm fleece lining inside this snowboard helmet men helps keep your head warm when skiing snowboarding or any snow sports; The ear pads of this ski helmet women help keep your ears warm while provide a degree of abrasion resistance in a crash Lightweight & Breathable - Our snow helmet features 12 strategically placed vents that allow airflow to continuously pass through the youth ski helmet brings a bit of fresh air to keep your head from being a sweaty mess; 480g only this womens ski helmet is lightweight without burden Hightlight Features - The goggle retainer clip in the back of snowboard helmet women holds goggle straps in place and helps reduce the risk of losing your ski goggles; A mesh layer with holes is for breathability while helpful to stop maxically snow falling into the inner mens ski helmet]