Ergonomically Shaped Cork-Latex Footbed: Provides optimal support and comfort Premium Oiled Nubuck Leather Upper: Ensures durability and style Suede Footbed Lining: Offers softness and comfort EVA Sole: Lightweight and flexible Adjustable Metal Pin Buckle Strap: Allows for easy and precise fitting Crafted in Germany: Ensures quality and craftsmanship The BIRKENSTOCK Boston, a timeless classic, is perfect for year-round wear. Its legendary status stems from its elegant, unique design. Crafted from thick, oiled nubuck leather with an open-selvage finish, the upper ensures durability. Key features include an anatomically shaped cork-latex footbed, suede footbed lining, EVA sole, and an adjustable metal pin buckle.