Stance Women's Reflex Striped Moisture Wicking Arch Support Fusion Athletic Crew Sock 51% Nylon, 20% Elastane, 18% Polyester, 7% Lycra Spandex, 4% Cotton Imported Machine Wash Air channel cushioning Specially placed mesh vents Reinforced anatomically correct heel and toe Moisture wicking fibers Fit no. 557 the athletic crew