Granite Gear belt pockets work with Granite Gear packs and many other packs. These ultralight, foam padded pockets attach to a pack's belt webbing or a hip stabilizer strap, offering you extra room, and convenience for the items you want to have at hand on the trail. They feature a water-resistant YKK zipper. The fabrics are ultralight 70-denier ripstop Hybrid sil-nylon Cordura and 210-denier nylon Cordura. One size only. Designed for use with the Granite Gear ultralight belt but can be threaded on most pack's hipbelt.