Backpack with four external storage pockets and mesh stash pockets. Bottom pocket features a built-in organizer and cell phone holder. Side compression straps enable your gear to be more balanced for a comfortable fit. Compatible with hydration reservoirs up to 2L (sold separately). Dimensions: 18"x17"x6".

Features:Four external storage pockets;Mesh stash pockets;Side compression straps;Hydration reservoir compatible