Well I have dressed deer in -40. I think thatwas the worst. You do it very quickly lol Actually the blood is what keeps your hand warm. Its after that when the cold gets you. Of course I hunt where my truck gets to the deer in weather like that. Loading to me is the coldest part of it on your hands.The blood is dried instanstly on your hands. If youput mitts on they warm up and the blood melts soaking the mitts.I keep wet toilets in the truck to wipe the blood off. Within an hour the deer is rock hard. have to thaw it out to skin it.