Items a you would potentially carry in you day sack: Sweets, Water (3 liters water carrying capacity — bladder system, with insulated hose, recommended, or water bottles), Camera, Sun hat/sun glasses and sun cream, Travel Pack Toilet Tissues and Wet Wipes, Waterproof jacket and trousers, Thin warm layer for any prolonged stops, Walking poles — if preferring to use them, Small personal Medical kit, including chapstick, for ready access and non-altitude specific medicines (guides will be carrying a much more comprehensive medical kit.)