This innovative pack not only offers plenty of place to stash your gear, it also helps keep you hydrated. Ultra-durable Tec-Quiet polyester tricot fabric resists water and stays quiet even in the coldest conditions. The breathable mesh back panel ensures long-wearing comfort. A built-in 2L hydration pack with conveniently placed bite valve provides effortless hydration when you're on the move. A spacious main compartment with two-way zipper and an expandable exterior mesh pocket offer ample storage space for all your essential gear. The Hydration Day Pack is printed with a Realtree Xtra camo pattern for added stealth. Dimensions: 9" L x 15" H x 4" D. Imported.