FoxRiver Sport Tab Ultra-Lightweight Ankle Running Socks 60% Polyester/38% Nylon/2% Spandex Made in US These ultra-lightweight sport socks feature a contemporary, modern design to coordinate with today's modern fashions Memory-knit construction throughout helps this ankle sock keep its form, wash after wash Our polyester Lasts longer than ordinary cotton making this sock great for all activities Cushioned ultra-lightweight sole absorbs shock and adds comfort Made in the USA, this sport sock has a smooth, flat comfort toe seam