Birkenstock Oita Slide, Size 38EU (7-.7.5) Color: Antique White Details & care Wore a few times and decided Birkenstocks are not for me. Very comfortable though! Birkenstock's legendary contoured cork footbed and signature bone treads ground this timeless slide sandal topped with soft suede straps. Flat sole Contoured footbed with arch support Leather upper and lining/synthetic sole Made in Germany