Winter recreation gear often includes skis, which is a four-letter word. Skis are long, narrow pieces of equipment that are attached to the feet and used for gliding over snow. They are usually made of wood, fiberglass, or metal and are designed to help the user move quickly and efficiently over the snow. Skis are an essential piece of winter recreation gear and are used in a variety of activities such as skiing, snowboarding, and cross-country skiing.