Stance Women's Keetley Snow Fusion Sock 30% Polyester, 30% Acrylic, 18% Spandex, 8% Cotton, 7% Nylon, 7% Elastane Imported Machine Wash Fully wrapped terry loop toe box keeps your tootsies toasty Engineered reinforced arch construction built to give you correct support and eliminate foot fatigue Dry low-gore seams for dynamic fit Air channel cushioning Reinforced toe/heel and flat toe seam