30 Litre Capacity; Roll-down closure with side release fastenings for a watertight seal; Large volume front pocket with water resistant zipper and clear map window; Low profile water bottle pockets; Internal pockets including padded compartment and secure zippered pocket; Multiple attachment points for securing bag; Padded and breathable airmesh harness system with removable shoulder straps; Puncture resistant waterproof PVC Tarpaulin fabric; Stitch-free, high frequency welded seams; Dimensions: 30"H x 11"W x 6"D