Even after 30 years of popularity, the black leather Birkenstock Boston style is still as iconic as ever with this classic clog featuring an oiled leather upper and Soft Footbed. Meant to take on a burnished or antique style, it has a durable and moisture-resistant surface.An adjustable strap and closed toe box ensures your comfort through any season. A classic footbed features Birkenstock's time-tested cork and latex footbed with full arch support and a deep, stabilizing heel cup. Start your day off on the right foot.