Pack out weights CRH 10.47 kg (I weighed all equipment I didn’t use and it came out to 2.4 kg, some of that was emergency gear but not all, including rain jacket, first add kit, emergency bivvy, pack liner, extra batteries, candles, stove and gas, gaiters, hammock, map, torch, and more). 10.47kg also includes some water that I didn’t drink. Net out pack weight 8.07kg, pack efficiency 8.07/10.47=0.77 KAH 11.4kg pack put weight