Single Layer Arch with Narrow Straps Premier Nubuck Leather Nylon Toe Piece Box X Toe Construction Original Rainbow Woven Label Description The Rainbow Premier Leather with a narrow strap is one of Rainbow’s most well known women’s flip flop. It features a nubuck leather top sole, embossed with the Rainbow logo. The narrow nubuck leather strap is double stitched, and the nylon toe piece is secured with a box X stitch, all with bonded nylon thread. The single layer midsole and arch support are triple glued for maximum durability to the non slip Rainbow bottom. It is finished off with the original Rainbow woven label on the strap, the mark of a genuine Rainbow sandal. If any sandal days Rainbow, it is the Rainbow Premier Leather!