Mostly during the cold months. They were very comfortable right off the bat, and I had no issues wearing them all day. Some of these episodes are complete and utter disasters while some hit the mark. The sole is not soft but it was a pretty slipper. Its turned morning from a stressful race to catch the bus to a relaxing fun and exciting adventure to kindergarten. Wished they would make them again. However, I had a natural delivery and put the stomach band on one day after he was born. Also, hooks are not installed yet! The sound quality is a notch better than my go-to MPow Flame headphones, which cost a fifth of the price ($19. "Parts do NOT fit" - I saw these reviews and thought - maybe they were unlucky with the different batches of the product, but when it happens to me, chances are 100%.