The Pack Harness Pockets are ultralight, foam padded pockets that attach to almost any pack. They offer extra room, protection and convenience for the items you need close at hand while you're on the trail. Made of 70 Denier Ripstop Hybrid Sil-Nylon Cordura & 210 Denier Nylon Cordura with a YKK water-resistant zipper. The Belt Pocket comes in either the Right or Left attachment and attaches to the belt webbing & hip stabilizer strap. The Shoulder Strap Pocket is for either the Right or Left side of the pack's load lifter webbing at the top and lower adjustment buckle. The back has a port for your headphone, ear bud or headset cord. Includes a free 24" grey web accessory strap.