Awarded 2009 Best of Adventure Gear by the editors of National Geographic Adventure magazine, the Gregory Miwok 18 daypack easily stores and organizes gear for all of your trail endeavors. Inspired by the bio-dynamics of the human body, the shoulder and waistbelt suspension are attached with BioSync technology artificial tendons. These artificial tendons act as attachment points allowing harness to stretch into an ideal fit, moving with the body while in motion. On-the-fly, internal compression system allows you to keep pack compressed and snug against back quick access compression straps are easily reached while pack is on. Backpanel, shoulder straps and hipbelt features 3-dimensional woven mesh to vent and wick away moisture. With rear zipper access for easy refilling, a sleeve for your reservoir sold separately and exit port system to manage the tube, this pack is completely hydration compatible. Deep front zippered pocket features 2 mesh pockets and a key clip for additional organization. Zippered expandable front mesh pocket with 3-point compression lets you stash bulky gear and keep it easily accessible. Zippered fleece-lined MP3/electronic top pocket for storage of your portable music or electronics. Dual, stretch-mesh zip waistbelt pockets are ideal for stashing electronics or snacks internal cargo stabilizer loop holds valuable electronics in place when pocket is open. Side mesh pockets keep water bottles and snacks within easy reach. Adjustable sternum strap and webbing loop for lashing on light gear round out pack features. Constructed from 70-denier ultra-tear-strength coated nylon for water repellency and durability.