Comfortable flats from Melissa. The upper part is made of material - Mel Flex. The lining produced from Mel-Flex material is breathable. The insole is made of Mel-Flex material. The classic, flat sole is made from Mel-Flex material. Flats stay always in fashion. . I try to describe my items as honestly, clearly and accurately as possible but bear in mind I am not a dealer or specialist; simply a shopper who likes to pass bargains on. Please be a responsible bidder and examine the photo(s), read the description, and ask questions PRIOR to bidding if you have the least bit of hesitancy. I may inadvertently omit information that you feel is important or may unintentionally print something you don’t agree with. I will happily email you additional pictures if you feel you need them to more clearly view one of my items. I only accept Paypal as the method of payment and ask that payment is made within 7 days of close of auction. please ASK ALL QUESTIONS or REQUEST PICTURES BEFORE BIDDING. Kentucky residents are charged 6% sales tax