Platypus Siouxon Women's Hydration Pack Internal and external tool organization with up to 7L of storage Comes with Platypus 3L BigZip hydration reservoir with magnetic hose retention and multiple hose routing options Carry system for pads and full-face helmets, along with fleece lined eyewear pocket, integrated rainfly, commuter light loop and two pump sleeves Designed to work with a wide range of body types and torso lengths, the FloatAir back panel keeps you cool and comfortable all day long Long-track sternum strap for tailored adjustments and ergonomic shoulder straps for increased comfort