BIRKENSTOCKSiena Big Buckle

The BIRKENSTOCK Big Buckle Siena is an elegant and stylish sandal featuring crossed straps and a large buckle. The upper is made from high-quality soft nubuck leather for a natural look. - Anatomically shaped cork-latex footbed - Upper: nubuck leather - Footbed lining: suede - Sole: EVA - Details: two straps, one with an individually adjustable metal pin buckle - “Made in Germany” Material details about product materials Upper material: Nubuck leather Nubuck leather is the result of a gentle buffing of the top-grain layer of the hide. It is soft to the touch and develops a beautiful patina over time. Insole: Natural leather Natural leather can be recognized by its untreated surface. BIRKENSTOCK purposely does not treat surface grains and other characteristic features. BIRKENSTOCK uses sturdy leather with a thickness of 2.8 to 3.2 millimeters as upper material. Footbed material: Cork Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning. Outsole: EVA EVA (ethylene vinyl acetate) is a high-quality, very light, elastic material with extremely good cushioning. As a result, it smooths out slight irregularities in the floor and ensures that every step is softly cushioned.