The Kenneth Cole Reaction Petro adds modern sophistication and utilitarian attitude to a lace-up boot with a discreet inside zipper for added versatility. Founded in 1982 Kenneth Cole has created modern, versatile, and fashion-forward essentials that provide the perfect balance of style and comfort. -Synthetic upper -lining and outsole. Flexible outsole. Cushioned removable insole. -Material: Man Made Lace-up closure Padded insole Imported Product Specifications 1.3 in. 5.51 in. 11.22 in. M Material polyurethane