COMFORTABLE FIT WITH VENTILATION. The Nike® Everyday Lightweight Footie Socks are made with mesh and a stretchy cotton blend for breathability and a snug, soft feel. Sweat-wicking fabric helps you stay dry and comfortable. Mesh panels help keep your feet cool. Reinforced toes add durability. Note: Material percentages may vary. Check label for actual content. Set of 3 Imported Material & Care 100% textile 71% cotton, 26% nylon, 2-3% spandex, 0-1% metalized fiber Machine washable