Ya, I think they would work to keep your foot warm. With power grips and plateform pedals they should work OK. You can actually make this kind of muckluk pretty water resistant by rubbing snoseal into the leather and using a hair dryer to heat up the snoseal and help it to soak in. They will be water proof enough to walk in the snow that way. One thing that might be interesting to try is to buy an old used pair of road cycling shoes and cut off the upper so you just have the foot bed and a little of the sides. Then slide it into the boot to make it stiff. You might want a couple of sizes over for this though.