Birkenstock NWOB Men’s Black Vegan SUPER-BIRKI POLYURETHANE Vegan Clog. Size 47A Professional Collection favorite, the Super Birki clog puts comfort to work in just your color. Fluid-resistant PU and added traction makes it a fit for healthcare, hospitality and wherever you need extra help getting the job done. Wash and disinfect the clog at up to 140°F and its removeable footbed at up to 86° F. The style is grounded in trusted anatomic support-feel the footbed and you'll feel the difference after long hours on your feet.• Replaceable contoured cork-latex footbed, washable at up to 86°F• Fluid-resistant PU upper, easy to clean• Textile footbed lining• Durable PU outsole with tractor-style edges for added tractio