They don't breathe! If you had no foot odor issues before then get ready, you will with these shoes. I NEVER had that issue but now I wash my feet every time I come home from work. Foot powder, change of socks if it's going to be a long work day. Do they make work shoes that breathe? I can't seem to find any. As far as the fit it's okay but the ankle cuff seems to cut into me a little, mostly when it squeezes the tongue the wrong way. The tongue can shift causing it to be uncomfortable. For the price (compared to others) these will get me by but I'm on the lookout for a better shoe.