100% waterproof main compartment with a roll-top closure 1000D Cordura on base and belt. 420D nylon rip-stop construction. Kriega signature alloy belt adjuster. Removable taped seam liner. Hypalon abrasion resistant front cover. Superspace 5mm airspace fabric. YKK water resistant zips. DIMENSIONS: 150(h) x 250(w) x 80(d) mm / 5.9(h) x 9.8(w) x 3.1(d) ins. VOLUME: 3-litres (180cu in) capacity. WEIGHT: 550 Grams