Appointed with the smooth-wearing sophistication of an oiled leather upper, the Birkenstock Boston Leather Clog is a timeless staple for daily wear. The oiled leather upper develops a rich patina over time for unique character and flair. Its classic slip-on design features an adjustable strap, maintaining a secure fit to your particular foot shape. The Boston Leather Clog stays true to Birkenstock's classic design with its contoured cork footbed. This material supports your every step with a soft, shock-absorbing feel, complete with an integrated arch and deep heel cup. The leather upper is lined with suede for the utmost in smooth-wearing comfort. It's finished off with a shock-dispersing EVA sole with grooves for a bit more grip underfoot.