Amazon.com | Birkenstock Professional Men。Birkenstock Professional Men\'s Profi Birki Slip Resistant Work Shoe,Black, size 12 The Profi Birki clog reinforces on-the-job comfort from heel to toe. A closed back adds security, while its extended front keeps the forefoot safely enclosed. Fluid-resistant PU and a shock-absorbing, traction outsole makes it a fit for healthcare, hospitality and wherever you get the job done. The Profi Birki 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 175°F and its removeable footbed at up to 140°F. Replaceable contoured PU footbed, washable at up to 140°F Fluid-resistant PU upper Microfiber footbed lining Durable PU sole Shock-absorbing outsole with deep bone tread for added traction