SWANS P2 OW Adult Size L Size Sizes HSF-241 Ski/Snowboard Helmet, (58cm-61cm), Off-White, Lightweight, Dial-Type Adjustment, Open/Close Ventilation,

A high-performance model that combines light weight with sufficient safety. Available in two sizes: M (53cm-57cm), L (58cm-61cm) A special mesh material is sandwiched between the shock-absorbing material and fabric inside the helmet to reduce head vibration during impact. The dial on the back of the head allows you to fine-tune the head circumference to suit your head size. The open/close ventilation allows you to adjust the temperature inside the helmet according to the weather.