After having had a chance to use these about 5 times, all I can say is that they work as intended with no issues so far. I was concerned because I have heard that with the mohair, you sacrifice some traction and durability for the lighter weight. I ski in the Wasatch, and I have climbed several of my favorite skin tracks in conditions ranging from hard refrozen snow to new powder. With this width, you can climb just about anything with no trouble. Having owned the BD full synthetic nylon skins also, I can say that in my opinion the mohair mix performs just as well and is much easier to fold and pack, especially in cold conditions. I suppose only time will tell if they are lacking in durability as compared to nylon, but who really wears out skins anyway?