Capacity: 36L; Dimensions: approx. 51x29x28cm (20.1x11.4x11.1); 2 separate main compartments; 2 front pockets; Various MOLLE attachment points; Loops and D-rings on shoulder straps; Material: 600D polyester, PVC coated; Weight: 4.9 oz (1400 g); Built-in Velcro pocket for a hydro pack.