Balance your daily ventures with the Birkenstock Rio Birko-Flor™ sandal. The original Birkenstock design, this casual sandal features a Birko-Flor™ upper with two adjustable straps for a snug fit. An anatomical, suede-covered footbed features layers of cork and latex to mould to the shape of the foot with wear. The punched EVA sole of the Birkenstock Rio Birko-Flor™ sandal is lightweight, flexible, durable and shock absorbent.