Women's Birkenstock Two-Strap Cork Sandals. From the brand that is known for creating and perfecting a tradition of walking comfort, we present the Birkenstock Arizona! These slip-on sandals feature dual adjustable straps at the vamp for a secure fit. The original Birkenstock footbed offers arch support, a deep heel cup, and a roomy toe box so you and your feet can kick back and enjoy the day!