Platypus siouxon all mountain women hydration pack description the siouxon sue sonn is for the women who ride it all its built to fit like its not there and its made to ride all day the siouxon features a carry system for full face helmet and pads and a fleece lined eyewear pocket features 20l big zip tm lp reservoir hydration pocket with reservoir suspension hooks ventilated suspension designed for female riders carry system for full face helmet and pads pump sleeve a