KEEN Uneek Sandals BlackAt KEEN, every product is designed to provide comfort in the most extreme situations through the use of sustainable materials. Solid-colored cords add distinctive style, while the one-of-a-kind cord construction molds to and flexes with your foot for a custom feel. A soft footbed kicks up the comfort factor. Recycled Cord Upper Soft Microfiber Lining Bungee Cord and Lace-Lock System PU Insole with Arch Support Non-Marking Rubber Outsole Style Code: 1014097 001.