Bought these slippers for my boyfriend who wears slippers every day (pretty much as soon as we walk in the door). While they are comfortable and fit great (went up half a size and he says they just fit), they don't offer much ventilation. This means that his feet get very warm, and it wasn't long before they started to smell. We have used powders and sprays to alleviate the worst of it, but it's time to start searching for new ones. I would recommend these for the infrequent slipper wearer in cold climates, as they are very warm.