A 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 traction Upper: Polyurethane Polyurethane, also known as PU, is a synthetic material ideally suited for use outdoors. The material is water-repellent and dirt-resistant and extremely easy to care for. Insole: Microfibre Microfibre is a skin-friendly material which is soft and yet tear-resistant. Because they are free of animal products they are used as the covering material for the lining of footbeds in vegan products, among other things. Footbed material: Cork Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. Outsole: Polyurethane Polyurethane, also known as PU, is a synthetic material ideally suited for use outdoors. It is water-repellent and dirt-resistant and very easy to care for.