Portlandia Heavenly Sandals Two adjustable hook-and-loop closures offer a just-right fit. Contoured leather footbed conforms to the shape of your foot for customized comfort. Polyurethane outsole is slip-resistant and offers sure-footed traction. Heel Height: 1. Material Content: leather upper, upper lining, sockliner and footbed, polyurethane midsole, plastic shank, polyurethane outsole.