Fiber content:- Upper: 100% Polyester (Recycled) - Upper 2: 100% Polyester (Recycled) - Upper 3: 50% Thermoplastic Polyurethane 50% Polyurethane - Lining: 100% Polyester (Recycled) - Lining 2: 73% Polyester (Recycled) 27% Polyurethane - Insole: 100% EVA - Outsole: 100% RubberWeight:470g