Watershed Westwater Backpack Alpha Green - Watershed WS-FGW-WW-AGR Dimensions:4900 cu. In., 80.3 liters 18"W x 26"H x 10.5"D Colored Material: 840 denier nylon with polyurethane coating Clear Material: Abrasion resistant 20-mil polyurethane ZipDry Seal Removable\padded shoulder straps and waist belt