600D Polyester. PVC coated lining. Large expandable main compartment. Assorted gear pockets and MOLLE loops. Interior identification pocket. 3 detachable MOLLE pouches on front of bag. Padded laptop computer sleeve with hook & loop closure. Zippered map / document pocket with MOLLE loops on back side of case. Adjustable and fully removable padded shoulder straps. Coyote tan colored. Dimensions: Dimensions: 17.5" X 14" X 5" (inches).