biomechanical rocker soles reduce calf muscle strain by 22%

An icon since 1963, the Birkenstock Women's Madrid Big Buckle redefined sandals with its contoured footbed and a single, sophisticated strap. A gleaming big buckle makes a statement on oiled leather, designed to age beautifully with wear for a unique, well-traveled patina. With an original contoured footbed for support, it'll feel uniquely yours wherever you take it.

• Contoured cork-latex footbed creates custom support with wear
  
• Oiled leather upper gives each pair a unique finish
  
• Smooth leather footbed lining
  
• Flexible EVA sole
  
• Adjustable strap with oversized metal pin buckle
  
• Upper material: Oiled leather
  
• Insole material: Natural leather
  
• Footbed material: Cork
  
• Outsole material: EVA
• Made in Germany

Elasticized heel cups secure movement without constriction