Overflowing with great features like an easy-cleaning reservoir and a place to carry your tunes, this Hydrapak Streamline pack will take good care of you on the trail. Molded back panel provides support, comfort and ventilation features air-mesh shoulder straps, sternum strap and removable waist strap. Front flap offers easy access to hydration reservoir light jacket can easily be stowed under front flap for quick access. Insulated reservoir compartment keeps liquids at a constant temperature tube routing provides exit options at shoulder straps. Hydration reservoir with quick-disconnect hose makes filling and cleaning a breeze no need to remove hose from pack. Reservoir turns inside-out to provide easy cleaning and complete drying. 2 zippered pockets provide storage for your keys, MP3 player and other small items. Overstock.