Composition:100% Polyester.Knit upper.Laces with repeated EA7 logo.Innovative midsole with four asymmetric holes echoing the mathematical symbol for infinity.Rubber soles.Main Upper Shoe:100% Polyester.Secondary Upper Shoe:100% Polyurethane.Secondary Outside Coating:100% Polyurethane - Synthetic Material.Third Upper Shoe:100% Thermoplastic Polyurethane.Lining:100% Polyester.Insole:100% Polyester.Midsole:100% Ethylene-Vinyl Acetate.External Sole:100% Rubber.