Fully flexible - thanks to their soft, stretchy, foot-hugging uppers and ultra-flex, all-day-cushioning Anatomicush midsoles - they move with your feet. Oh, and they're mind-blowingly light and breathable too. Upper Material: Textile Lining Material: Fabric Fastening: Slip-On Outsole: Slip-Resistant Rubber Technology: Anatomicush Great used condition with no known flaws, but please see photos. First pic is stock photo, rest are actual sandal