Brand new - bought wrong size! These are unisex Size 11-11.5 womens Size 9-9.5 mens Item description: A BIRKENSTOCK® icon, with added traction and durability for professional environments. The Boston Super Grip clog is grounded in a high-traction sole to help keep you surefooted on the job. The style is built on trusted anatomic support—feel the footbed and you'll feel the difference after long hours on your feet. Details: Contoured cork-latex footbed creates custom support with wear Natural leather upper Suede footbed lining helps keep you comfortable Cushioned EVA midsole absorbs shock Super Grip rubber outsole for added traction and durability Adjustable strap with metal pin buckle