COOLMAX SOCKSProduct Specifications: 40% CoolMax®40% Organic Cotton17% Nylon3% ElastanePersperation Vents Midsole Elastic for better fitReinforced heel and Toe Part Flatlock stitched Super fine CottonAnti-bacterial propertiesQuick DryingAnatomical DesignTowel backing for better absortionIrritation free componentsNatural fibers and function against odour