Headed to the mountain for a day of fun? Grab your gear and dont forget your SnoBowl" 50 ounces of hydration in a low-profile package that can be worn under your jacket. So comfortable, you wont even realize its there as you carve your way down the mountain or climb. Features & Specifications " Zip harness design insulates tube and keeps bite valve close for convenient drinking " Padded harness keeps system comfortable for hours " Insulated reservoir and tube are protected from freeze-up " Includes OMEGA" Reservoir to make filling fast and easy " Low-profile design can be worn over or under a jacket Ideal for mountain climbing, snowshoeing, skiing, snowboarding, etc.