Uvex P1us Ski and Snowboard Matte Size Made In Germany 2.0 Helmet, Color, Dial-type Adjustment,

The outer shell is made from a specially developed thermoplastic polymer that is lightweight, durable and highly impact resistant. The combination of a shock-resistant outer shell and a shock-absorbing inner shell ensures high safety. The shell is available in two sizes. The dial on the back of the head allows you to adjust the head circumference to fit your head size. The open/close ventilation system allows you to adjust the temperature inside the helmet, which changes depending on the amount of exercise and the weather.