Camelbak is the world leader in hydration systems making a Camelbak Hydration Backpack the perfect accompaniment to a day on the slopes. Many CamelBak models are designed for cold weather, including skiing, and come with insulated tubes that help prevent the water from freezing. Their low profile design are compact and designed to sit close to your body. This makes them less cumbersome and allows for better balance and maneuverability on the slopes.