Hybrid pack suitable for a variety of outdoor activities. 3 Liter CXC bladder and articulated Bite Me valve with magnetic clip. Fuel window to view water level without removing the bladder. Extra wide bladder port makes it easy to insert the bladder into the insulated compartment. EVA foam shoulder straps for comfort with an adjustable sternum strap. Light clip strap. Soft, protective MP3 pocket with headphone exit. Large front stash pocket w/organizer and bungee straps for extra storage. Buckle closure for kangaroo pouch storage access. Cargo space: 365 cubic in.