The Shuttle, Designed for versatility. This heavy duty 840 ballistic nylon pack can attach to about anything. All of the pack straps detach, including the waist strap. The pack has a unique "handled" design that allows for many attachment and detachment points for strapping this pack to vehicles, bikes, and gear. There are two independent, vertical zipper pockets for holding a phone, granola bar, treats, map, car keys, etc. Remember, the detachable, velcro bulb holder will allow you to connect your power bulb to whatever you would like to including the various attachment points on the SHUTTLE itself. The RIG SHUTTLE comes equipped with the detachable, velcro bulb holder. and don"t forget to get yourself a Geigerrig in-line filter. You never know when you might run out of water and may need to refill from a river, stream, lake, pond...