Supreme Collection Sandal for Guys. ISA L.I.T.E. Low Impact to the Environment full grain leather upper and footbed. Asymmetrical upper design provides style and support with super soft glove-like pig skin lining. Thirst quenching technology (church key bottle opener on the outsole). Deep contoured compression molded EVA midsole. Water based cement/glue. Reef supreme design outsole made of 25% recycled rubber.