Kriega R20 Rucksack 20 Litre capacityHydration pack compatibleQUADLOC lite harness system allows you to easily click in and out and is angled away from underarms for total freedom of movement4 point pack compression3M Reflective areasMain compartment, zipped inner mesh and inner reservoir-pocket with compression10 year guaranteeAdditional extras (Sold seperately): Kubepocket, US5, US10, 3L Hydrapack reservoir