600D PVC coated Cordura fabrics, Polyester Mesh lining, Adjustable Velcro straps for sizing on Shoulders. Adjustable fastex plastic buckles for size adjustment. Front: 3-Large size main Utility Pockets at Chest Area (2-Zipper, 1-Velcro fastner) 8-Ammunation Pouches (Adjustable with Velcro Closure) Back: 8-Ammunation Holders (made of Polypropylene Webbing)