Swiss Gear's Oasis Technical Hydration Pack has a 2 liter anti-microbial bladder, tube and bite valve with the bladder sleeve featuring a cooling liner. The contoured shoulder straps are padded as well as the back panel with the shoulder straps and waist belt with its hideaway strap being adjustable. Measuring 17 by 6 by 9 inches this pack has a capacity of 950 cubic inches. Included are an easy access media pocket with water proof zipper, two side mesh stash pockets for water bottles or other quick access items, two front pockets for organizing bike tools, energy bars. This pack also sports a front stowaway for helmet storage and bike pump pouch. Specifications: • Size: 17 in x 6 in. x 9 in. • Capacity: 950 cu. in.