Sperry Saltwater Duck Boots in Multicolor Camouflage, Men's Size 11.5. These lace-up boots feature a round toe, mid-calf shaft style, and rubber outsole for water resistance. The boots are accented with the Sperry logo and are designed for casual wear in all seasons. The upper material is rubber with a polyester lining and wool insole for comfort. The model is Sperry STS23702 from the Top Sider line.