I had a pair of mohair skins for my 110’s a couple of seasons ago, and they worked fine. I didn’t think they did as well on super steep stuff, and but they did handle a little better in variable snow temps. It is a trade off…. they are also generally more expensive, and in a fat ski, those costs are going to be higher. I would go with a split skin if you really wanted to save some weight, and you get a lot less snow buildup.
I like my mohair, but I also had to be a lot more gentle with them, and I suck at being gentle on ski gear. I like to skin over rocks and dirt and roads and parking lots… hence, i like my G3’s (and the girl yellow matches my jacket)