Birkenstock's classic clog, the Boston. Purchased new here. Worn very little, so it's in good condition. Never worn barefoot. ⚫︎ Size: 36 ⚫︎ Color: Anthracite (Dark Gray) ⚫︎ NARROW width The upper of this model uses high-quality wool felt. The strap can be adjusted for a custom fit. Cork footbed made of natural rubber and designed to conform to the shape of the foot. ⚫︎ Upper: Wool felt ⚫︎ Insole: Suede leather ⚫︎ Outer sole: EVA Adjustable metal buckle strap. No box.