BIRKENSTOCK Madrid Big Buckle Slide Sandal. Size 38 Size 8. Excellent Condition- minimal signs of wear; has minor scratches and marks/scuffs as shown. Please review all photos. No box An oversized buckle cinches the angled bridge strap of a sandal built on the legendary Birkenstock footbed for time-tested comfort and on-trend style. The EVA-cushioned footbed absorbs shock and mimics the shape of a healthy foot, while pronounced medial and metatarsal arches support the instep anc ball of your foot. • Flat sole • Single wide strap with large adjustable metal pin buckle • Anatomically shaped cork-latex footbed • Leather upper and lining/synthetic sole • Imported