Birkestock's Boston Zueco is a real classic that can be carried without problem throughout the year. The colored buckles with tact of fabric and matt design, as well as the matching sole, are other outstanding elements. Through the additional foam layer, the soft template offers an extra dose of comfort and pamper the foot throughout the day. The upper material is composed of soft before. Color Faded Khaki Birkestock original template; Anatomical Form Superior Material: Before template: Before sole: Eva Details: two straps, each with a buckle of metal spike with individual superior material adjustment: before the suede it is a "rough leather" with sanded and scraped surface. The Ante has a soft and velvety surface that provides a very pleasant sensation in skin contact. In addition, it has great capacity for moisture absorption. The natural suede is softer and more flexible than smooth skin and does not present the same stability. In addition, their stability changes depending on each person's skin. It is not a material or manufacturing defect. Internal sole: upper layer of the leather leather template, flexible and harmless for the skin, which welcomes the foot by adopting its shape and folding to its profile. The surface of the coating has alveolar structure, which makes it especially breathable, and thus makes possible a pleasant atmosphere inside the footwear even with intense physical activity. Inner base material: cork The cork is a regenerable raw material that is extracted from the cork bark. It is an insulating natural product and has excellent damping properties. Contact sole: Eva EVA (Ethylvinilacetate) is a high quality plastic, endowed with particular lightness and elasticity, which also offers extremely good damping properties. It thus compensate for small irregularities of the floor and seeks a soft damping of the steps when walking. Manufactured in Germany Reference: 1019108