SWANS Adult Helmet P2 Size M Matte Size Sizes Ski/Snowboard HSF-241 MBK, (53cm-57cm), Black, Lightweight, Dial-Type Adjustment, Open/Close

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.