600D POLYESTER - P.P. WEBBING SIZE: 19" X 15" X 8" MOLLE COMPATIBLE HYDRATION BLADDER COMPATIBLE WATERPROOF BOTTOM HEAVY DUTY ZIPPERS P/U COATED LINING AND POCKETS FOR WATER REPELLENCY ONE LARGE MAIN COMPARTMENT WITH INTERIOR MESH ZIPPERED POCKET FRONT ZIPPERED COMPARTMENT WITH EXTERIOR ZIPPERED POUCH ADJUSTABLE/REMOVABLE WAIST BELT ADJUSTABLE PADDED SHOULDER STRAPS WITH D-RINGS PADDED BACK WITH BREATHABLE MESH BACKING TOP CARRY HANDLE TOP & SIDE ADJUSTABLE WEB STRAPS WITH QUICK RELEASE BUCKLES