Children’s ski helmet: The Cebe BOW providing a high degree of head protection. robust Hardshell construction with EPS; ergonomic, anti-allergenic, breathable material - PADDED LINER technology; integrated ventilation system with 10 air vents for maximum comfort - removable lining, can be machine-washed at 30 degrees - DETACHABLE LINING Helmet size is adjustable with the patented FINE TUNING SYSTEM.