Triple Eight"s popular Old School snow helmets are perfect for any mountain"s park or pipe shredder. They come equipped with a kick ass audio earflap system that is removable, allowing you to customize your ride in style. These versatile helmets are a favorite item for riders - the helmet fits just like your favorite Triple 8 skate helmet, and it offers function, style and protection at an affordable price. This helmet is ideal for snowboarding and skiing.Triple Eight Old School Snow Helmet Sizing Chart:To ensure a perfect fit, measure the circumference of your head starting in the middle of your forehead and match it with the sizes below.S 20.5 in - 20.9 inM 21.3 in - 22.4 inL 22.0 in - 23.2 in XL 23.2 in - 24.8 in