depends on the region and habitat type, but I'd stick with a sheep-style hunt (55-65-lbs) plus the tools for the trade when you got a bull down. That'll add about 6 lbs to your normal kit when bustin a moose down to bags and dealing with it for a week or more. If you'll be on a ridgeline hunt and shooting off the hills where you'll have to get it back uphill to the strip...an external packframe will serve you well.
If you'll be in muskeg and tundra, bring a plastic sled to drag your qtrs and neck meat bags back to camp...this beats packing it any distance on your back over tussocks and swampy substrate.
Some tools you'll need for moose: a meat hook, a 10'X10' tarp, 28X60" TAG Bag set, meat thermometer, citric acid and spray bottle, contractor trash bags for warm weather (meat immersion), a bone saw, and some parachute cord or 2 ea 12' river cam straps for lashing meat bags to a sled or packframe.