Birkenstock Women's Arizona Platform Sandals Knotted Black Birko-Flor Birko-Flor Synthetic sole Elevate your style with the Birkenstock Platform! These sandals feature a birko-flor upper with a supportive cork footbed, crafted from cork that is 100% renewable and sustainable 364043 Birko-flor upper with soft fabric underneath against the skin, EVA outsole, and cork footbed all help to provide all-day comfort Dual straps with buckles for adjustability and a personal fit. Raised toe bar is designed to encourage the natural gripping motion of our feet, exercising your lefs and aiding circulation Neutral heel profile and deep heel cup keeps the natural padding of your foot where it belongs