Sunday Slipper The slipper that looks as good as it feels. Designed with soft, ultra-warm, and fluffy sherpa inside and out, these also have a memory foam and EVA midsole for a high level of support and a rubber outsole so you can step out quickly without having to change into real shoes. Perfect for walking around the house (or just down to the mailbox). P.S. If you like a roomier slipper, or are a half size, we recommend sizing up.