The U.S. patented Heavy-Duty Two-Ply Nylon band is manufactured from custom milled military spec. nylon utilizing a proprietary one piece box stitch construction and stainless steel buckle and dual loop keepers. A wide 10 hole adjustment range combined with the patented excess Fold and TuckTM band retention feature will comfortably fit all wrist sizes. Durable box stitch 2-ply construction. Wide 10 hole adjustment range. One year Bertucci warranty. Matte finish stainless steel buckle & dual loop keepers