Built in biomechanics for the barefoot enthusiast! The Collin men's sandals features a dual density midsole, integrated post & shank and comfort cushioned footbed, with true arch support. Once you try the Collin Ortho Sandals, you'll never want to wear ordinary, flat flip-flops again! The Collin Ortho Sandals are available in three colors - Black, Camel, and Chocolate.