Machine Wash According To Instructions On Care Label.Body: 80% Cotton, 17% Polyamide, 3% Elastane.Socks by Happy Socks Made from stretch cotton rich fabric Ribbed opening Pattern throughout ABOUT HAPPY SOCKS Happy Socks founder Viktor Tell worked as a graphic designer before turning his hand to the fashion industryWith an almost endless variety of sock designs and a vast color spectrum, Happy Socks thrive upon their motto 'all play, no work', turning a simple, almost forgotten product into a much desired success story.