The Boston BS Narrow Leather Clog offers a refined and comfortable slip-on silhouette with a classic sartorial aesthetic. Copper-tone hardware Buckle closure Original Birkenstock suede-lined natural cork footbed that molds and shapes to your foot, featuring pronounced arch support, deep heel cup, and roomy toe box Man-made sole Color/Pattern: Habana Material: Leather upper Made in Germany Please note: Size selections are European. For US conversions, please reference size chart. Iconic and sustainable designs that are always on-trend.Roundtoe. Slip-on style. Adjustable double strap. Cork footbed.