Birkenstock a 630 | eBay。Birkenstock A 630 Classic R professional clogs feature a durable, water-resistant polyurethane upper designed for demanding work environments. This specific pair is enhanced with a plush shearling lining for exceptional warmth and comfort. The slip-resistant sole provides reliable traction, while the anatomically shaped footbed supports natural foot alignment during long hours of wear. These clogs are ideal for kitchen, medical, or outdoor use, combining industrial-grade protection with a cozy interior. The original box is included, though it shows some shelf wear.