Did anybody try both SLR XC and Gobi? I wonder if SLR XC is like Gobi or more like Fizik Tundra?

I've Fizik chameleon shape saddle on a road bike and I like it. Although SLR XC much nicer than Gobi for mtb. I wonder if SLR is more like Gobi or Tundra, which would be way too narrow for my fat ass