DESCRIPTION For day hikes and multi-use BACK SYSTEM Airmesh FABRIC 450D PW / HydroShield BODY UNIQUE FEATURES Easy access main entry. Double daisy chain. Laptop sleeve. FEATURES Cushioned foam handle Daisy chain lash points to allow additional external carry Zipped top pocket for storing small items such as keys and wallet Key clip Laptop sleeve Large main opening for easy access Reflective Bike light loop Side mesh bottle pockets Sternum strap with whistle WEIGHT 0.56kg / 1lb 4oz BACK LENGTH 19" / 48cm   VOLUME 25lt / 1525cu.in