Amazon.com | Alpro A630 Clog,Black w/o Steeltoe,36 Medium EU 。Birkenstock A 630 Professional Clogs in Black Polyurethane. These slip-resistant work shoes feature a durable, water-resistant upper and a removable cork-latex footbed for all-day comfort. Designed for professional use in kitchens and medical environments, the oil and grease-resistant sole provides excellent traction on slippery surfaces. The washable design ensures easy maintenance, while the anatomically shaped footbed supports natural foot alignment. Measurements: • Size: EU 42 / US L11 / US M9 • Footbed Length: 270mm