At Army Surplus World, we carry both USGI military surplus butt packs & fanny packs as well as a military style canvas and nylon butt packs. The butt pack is perfect for hiking and can act as a spare pocket for your belongings. The military butt pack attaches to your belt with alice keeper clips and can attach to a harness using grommets or canvas tabs. Our tactical butt packs are made from durable, heavyweight materials. With a fold over top and pull tight straps, these packs keep your items safe and secure.