I normally take US 6.5 shoe size and since it wasn't available I ordered size 6 thinking that they might be a little small, well I'm glad I didn't go up a size! These shoes run so big that when I wear them there's room to spare even though I got a smaller size than I normally take. As far as the quality, they're lightweight, they feel sturdy, they have anti-slip rubber soles. They're breathable since they have holes all around and they dry quickly if they get wet. They're a little stiff and I woSee full review