The Birkenstock Franca Oiled Leather Unisex Sandal features crisscross straps in oiled leather that improve with wear, offering a heritage-inspired patina from day one. With an original contoured footbed for exceptional support, it provides unmatched comfort and a personalized feel, wherever you go. Premium, durable oiled leather upper. Breathable suede lining for comfort. Anatomically correct, suede lined, natural cork-latex footbed. Slip-On construction with adjustable buckle strap for a flexible fit. Flexible, lightweight and shock-absorbing EVA outsole.