United Nude Rico Sandal- Black size 39 The Rico Sandal is a slip-on flatform sandal featuring UN's signature use of leathers and elastics, a slim metallic rand, a lightweight EVA outsole, and an exposed leather-wrapped wedge that offers a gentle lift. Nappa leather upper with elasticized straps and silicone printed detailing Leather lining Leather footbed Foam rubber outsole EUC. Never worn. Shoebox included.