Single Layer Arch Support Flip-flop built with Premier Leather This iconic classic wide band flip-flop is the well known style of Rainbow Sandals. With a built arch support, these sandals will give you the ideal comfort that your regular flip-fops don't. They start off soft against the foot and conform more comfortably with wear. DETAILS: New in 1974 Single Layer Arch Premier Nubuck Leather Embossed Rainbow® Logo Double Stitched Nylon Toe Piece Box X Toe Construction Bonded Nylon Thread Triple Glued Non-Slip Rainbow® Bottom Original Rainbow® Woven Label Lifetime Rainbow® Guarantee Contact with water can cause some leather dyes to bleed It is best to avoid getting leather products wet A repair by the customer can void the product warranty Some people can experience a skin sensitivity to leather The single layer premier leather sandal is made with top grade nubuck leather; the top sole is embossed with the Rainbow® logo. The strap, also nubuck leather; is double stitched, and the nylon toe piece is secured with a box X stitch, all using bonded nylon thread.The single layer midsole and arch support is triple glued for maximum durability to our non-slip Rainbow® bottom. We finish it off with the Original Rainbow® woven label on the right strap, the mark of a genuine Rainbow® Sandal. S = US Men's size 7.5-8.5 M = US Men's size 8.5-9.5 L = US Men's size 9.5-10.5 XL = US Men's size 11-12 XXL = US Men's size 12-13.5 XXXL = US Men's size 13.5-15