DURABILT Adult Cotton Sport Sock (3Pk) 9-11 White 2% polyester Great all around sock  exercising, hiking, walking, or biking Arch support with vents keeps your foot energized Higher top fits perfectly in your boot Yarns: 84% cotton,7% nylon, 4% elastic, 3% lycra, 2%polyester Padded heel adds comfort and durability without adding bulk to sock