Their mens line is appropriately titled 21Men and the quality is pretty bad. I have a few items of clothing from H&M and they are far superior to most of what 21Men has to offer. I've heard that their ladies' line is cheap enough so...
I always hit up these stores when I'm in bigger cities since a major (expected) issue is that they only carry brands that are sold in the area. So since there is a lack of Nordstroms, N&Ms, BB outlets, etc. I rarely see anything...