BIRKENSTOCK® Tokio Super Grip Shoe | Williams Sonoma。A BIRKENSTOCK® best-seller designed for professional environments. The Tokio Super Grip clog is grounded in a durable, high traction sole. An adjustable backstrap gives you even more security at the heel so you can stay focused on the job. The style is grounded in trusted anatomic support—feel the footbed and you\'ll feel the difference after long hours on your feet. Contoured cork-latex footbed creates custom support with wear Smooth leather upper Suede footbed lining helps keep you comfortable Cushioned EVA midsole absorbs shock Super Grip rubber outsole for added traction and durability Adjustable metal pin buckles