The Birkenstock Boston Oiled Natural Leather Clog Sandals are crafted with care to create a unique, vintage look. They feature a comfortable cork-latex footbed for support, a flexible EVA sole, an adjustable strap with a metal pin buckle, and various arch supports. The heel cup provides natural cushioning, the toe bar encourages gripping motions, the toe room allows feet to move naturally, and the arch supports help ensure proper alignment.