The Madison has the traditional single layer arch with a midsole that is made to break down 10% under your foot to make an exact mold to your individual feet, creating the perfect sandal. The embossed top sole and 1/2" strap are made of the highest quality nubuck leather. The box X toe construction and the braided pattern sits atop the traditional rolled 1/2" leather strap, both are complete with bonded nylon thread so it will not fray or pull out. Each layer is triple glued, to the non-slip Rainbow® bottom, finished with the original Rainbow® Woven label. Single Layer Arch Premier Nubuck Leather 1/2" Folded Leather Strap w/Braided Finish Box X Toe Construction Embossed Rainbow® Logo Double Stitched Bonded Nylon Thread Triple Glued Non-Slip Rainbow® Bottom Original Rainbow® Woven Label Molds to Your Individual Foot Rainbow® Lifetime Warranty Contact with water can cause some leather dyes to bleed It is best to avoid getting leather products wet Some people can experience a skin sensitivity to leather