Hanes Men's 6-Pack X-Temp Comfort Cool Vent Crew Socks Imported X-Temp closure Machine Wash White: 76% Cotton, 23% Polyester, 1% Spandex; Black: 77% Cotton, 18% Polyester, 5% Other Fibers Black: 46% Cotton/40% Polyester/9% Rayon/4% Natural Latex Rubber/1% Spandex Keeps feet dry with wicking yarns Ventilation with mesh panels Extra reinforced heel and toe Comfort toe seam -- our smoothest toe seam