US-20 400(H) x 260(W) x 190(D) mm US-10 330(H) x 220(W) x 125(D) mm 30-litre combined capacity (100% waterproof main body) Side access zip pocket (water-resistant) Coated-mesh pocket Shoulder & waist straps(US-20) | 1000D Dupont Cordura RHINOTEK: abrasion resiistant fabric HYPALON: abrasion resistant re-enforcement DRYPACK: taped-seam liner 420D nylon ripstop - lightweight yet extremely strong 6061-T6 alloy hook straps YKK water-resistant zips 10-year guarantee |