The waist harness can be used with the ultra padded or the economy shoulder straps. This harness wraps around the waist and clips attach to the carrier bag, dispersing the weight of the mailbag between the shoulder, hip and waist, perfect for Letter Carriers and Postal employees. Each harness section attaches with velcro and is adjustable from 22" to 32". Featurse a durable black, cordura construction. Ships USPS.