Amazon.com | Birkenstock Professional Men。Betula by Birkenstock leather clogs in a versatile black colorway. These professional-grade shoes feature a durable leather upper with a wide adjustable strap secured by a signature branded brass-tone buckle. Designed with a contoured suede-lined footbed for ergonomic support and a thick, lugged rubber outsole for superior traction and slip resistance. The closed-back design provides a secure fit suitable for long hours of wear in medical, kitchen, or casual settings. Made in Germany quality with the classic Birkenstock comfort profile. Shoes show minor creasing and light scuffing consistent with gentle use.