Arc'teryx LEAF Khard 45 Backpack A 45 litre, fully padded, single compartment bag Two side pockets with hydration ports; lid has extended top pocket and stash pocket Volume: 45L Materials: 500D Cordura, SpacerMesh, 8mm composite (C2) framesheet, 22mm extruded anodized aluminum stays Weight: 2kg / 4lb 7oz