SWANS P2 DAZ Adult Size L Dark with MIPS Dial Openable for Men and Sizes HSF-241 Ski/Snowboard Helmet, (58cm-61cm), Azuki, Lightweight, Adjustment,

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.