Thank you so much for your replies! Yeah theese things are really hard when there's no clear yes or no answer. I still can't really decide though I'm thinking I will take the risk with the trailrunners. I bought gaiters and I will bring extra pair of wool socks. Unfortunately I can't try it out before in similiar conditions since I live in the south of sweden and right now it's +28 and no snow for miles. I'm thinking about soaking my shoes though and see how fast they dry. Really thank you for your help and input!