Sock with the Stirrup built in,MADE IN THE USA, Adult Heel & Toe Style, 2-n-1 80% Cotton / 10% Acrylic / 10% Polyester Comfort and convenience.. the sock with the stirrup built-in 16 athletic colors Well-designed top to stay up even on the most active players. This Adult Heel&Toe style fits sock size 10 to 13