Optimum fit and adjustment plus steady air flow make this a good all round packSelf adjust back systemShaped adjustable harnessAirMesh on strapsWater resistant zipped compartment fits OS mapZip pocket under lidExpandable zip side pocketsDuraflex bucklesSide compression strapsSide grab handleTop grab handleReflective pointsSleep mat attachment pointsPadded hip belt with pocketCompartment dividerDimensions: 31 x 84 x 31cm (LHW)Weight: 2.56kgCapacity: 80L More info