Birkenstock Professional A640 Shoe With Steel Toe Cap Size 。For work in any industry chef or hospital The A 640 PU clog helps keep you comfortable and safe as you work behind the scenes. Its enclosed design and high-traction sole offers reliable grip in hospitality environments, featuring a solid steel toe cap that protects toes and forefoot from impacts of up to 200 joules. The style is grounded in trusted anatomic support—feel the footbed and you\'ll feel the difference after long hours on your feet. Wash and disinfect the clog at up to 176°F and its removeable footbed at up to 86°F. Removable contoured cork-latex footbed, washable at up to 86°F Durable PU upper Suede footbed lining helps keep you comfy High traction PU sole Steel toe 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: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK purposely does not treat surface grains and other characteristic features. BIRKENSTOCK uses sturdy leather with a thickness of 2.8 to 3.2 millimeters as upper material. 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.