What unique Woodpecker Socks we are offering you. The red headed species on our Woodpecker Socks is shown in flight as well as foraging on a trunk. The Woodpecker sock is a blend of 75% acrylic and 25% stretch nylon and has a bright blue background. Available in ladies size 9-11 and comparable sizes for men and children, they are the ideal gift for a nature lover. Add a touch of whimsy and the outdoors to your outfit and raise an eyebrow or two at the same time.