I actually love these pants as far as functionality is concerned...great waterproofness, insulation and just the right amount of pockets. However, like the previous review stated, they do fit a bit large. I'm 6'1", 200 lbs with a 32" waist and I got a large to be on the safe side but they're rather baggy on me. Accordingly, I recommend going down one size with these. As far as the belt loops are concerned, you can actually feed a belt through the opening where the adjustable tabs are. Initially it didn't make sense to me the way the tabs were set up, but once I figured out where to feed a belt through I was more satisfied with this product.