The Platypus Women's Siouxon Hydration Pack is made for ladies who hike to the tallest peaks and crush cross country tracks. This adventure ready backpack features a helmet carry system, fleece lined eyewear pocket, waist belt with zip pockets, and a convenient hydration hose in the shoulder straps, which means it's prepared to handle intense bike rides and long hiking treks. Its main compartment has multiple mesh pockets to store your repair kit and snacks, and the two pump sleeves conveniently secure a shock pump and tire pump.Since the Siouxon Hydration Pack is made from 210D nylon with a PU coating and YKK zippers, it naturally repels water and stains after each use. Even if it happens to rain, there's an easy to use rain cover in the bottom pocket so your gear stays safe and dry without any added hassle of carrying a plastic poncho. And since this pack is from Platypus, it has a three liter wide mouth Big Zip reservoir, magnetic hose clip, reflective detailing, and a ventilated suspension to keep you cool as you ride.