Inspyr Socks Hustle Heart Athletic Lifestyle Crew Socks 70% Cotton, 20% Nylon, 10% Spandex Form fitting wash after wash - 20 wash tested. Semi compression socks. Reinforced heel and toe, padded sole Mens Size  Small: 4-7, Medium: 7-10, Large: 9-12 Womens Size  Small: 5-8, Medium: 8-10, Large: 10-13 Make a difference not just for yourself but for others who see your empowering message