Features:Upper: 57% Woven Polyester Textile - 24% Synthetic Thermoplastic Polyurethane - 19% Synthetic PolyurethaneInsole: 90% Rubber - 10% EVA (Micro, Phylon)Type of sole: RUBBERLining: 100% Polyester Mesh TextileInsole: 100% Polyester TextileItem class: Amphibiox