Men's Birkenstock Boston Soft 1018147R Clogs These slip-on clogs deliver that classic, easygoing comfort with a soft-feeling upper and a simple design that’s ready for everyday wear. The adjustable buckle strap lets you customize the fit, while the open-back silhouette keeps things relaxed and convenient. A contoured footbed gives your steps supportive comfort, and the cork-inspired midsole adds natural cushioning with every stride. Finished with a durable traction outsole, this timeless clog brings effortless style and dependable comfort wherever you go.