Outer sole of: 50.0% Synthetic Rubber, 40.0% Ethylene Vinyl Acetate, 10.0% Thermoplastic Polyurethane
Upper of: 50.0% Polyurethane, 50.0% Polyester
Lining and sock of: 100.0% Polyester
Make sure to regularly air out your shoes and store them in a dry place.