Stance Men's Range Fusion Acrylic Insulating Calf Support Snowboard Sock 30% Polyester, 30% Acrylic, 18% Spandex, 8% Cotton, 7% Nylon, 7% Elastane Imported Machine Wash Toe box oven keeps your toes warm Engineered reinforced arch support Dry low-gore seams for perfect dynamic fit Air channel cushioning to keep your feet cool and comfortable Reinforced toe/heel and flat toe seam