Features Enter your model number to make sure this fits. nylon Made in USA or Imported Glove friendly main opening with a pull to open, pull to close drawcord system Adjustable top strap can be used to compress the pack or lash a climbing rope to the exterior of the pack Hydration bladder compatible with HydroPort drink tube passage and an internal clip to keep the bladder suspended and prevent blockages Small external pocket can stash small items; internal stash pocket with key clip holds keys, wallet, phone, headlamp, etc. SwiftCord drawstring style compression system is accessed / stored in the pack's external front pocket Description Product Description FEATURES of the Arcteryx Cierzo 18 Pack HDFB (high-density foam back) suspension Lightweight through design, construction, and materials Front security pocket with key clip Highly compressible pack, stows in its own front pocket Ultra-light shoulder straps Adjustable position sternum strap Front and back attachment loops for clipping off the pack at belays