I've used Aussie stuff and Fiebing's Snow Proof both with good results. The thing I find is,if you're going to ride it and sometimes in inclement weather, it's going to get wet. I don't think it's that big of a deal especially if you like to carve deep. Just for fun, I experimented by leaving a seat I made outside for about 5 or 6 months a couple of years ago. Put it outside in fall where it got rained on, dried out, snowed on, frozen, dried out, hot sun, you name it. It looks GREAT.I use 8-9 oz. leather and it really holds up well. Hope this helps.