Propro ski helmet $ 19.65 [Brand]: ski helmet [Standard]: CE certification [Weight]: 650 grams [Size]: M: 54-57CM, L: 58-61CM [Material]: ABS30%, EPS 55%, velvet lining 10%, other 5%. [Features]: The shell has good hardness, moderate thickness of sponge, light product weight, unique shape, good air permeability, and effective protection against pressure and impact.