Ski Helmets - Top quality Alpina Sports helmets, an absolute necessity for anyone venturing out onto a ski slope, whether skiing or snowboarding. Choosing a Ski Helmet. The way to find your helmet size is to measure the circumference of your head just above your eyebrows. When putting the helmet on to your head align the front of the helmet with your eyebrows and pull down on both straps until it is comfortable. There should be no gaps between the lining of the helmet and your head, and the back of the helmet should not touch the back of your neck.
