Judging by your avatar, you have an ATV and you camp in northern boreal forests. Wool blankets are OK in milder weather when in apark using cots and a tent, but I would advise a sythetic sleeping bag of the proper size and weight for the expected conditions when in the big woods. Cotton duck cover, flannel lining, and hollo-fill insulation works for me. I do carry a good wool blanket in each of my vehicles for emergencies.