Ducks Unlimited was started in 1937 by a small group of conservationists. The vision of Ducks Unlimited is to have sufficient wetlands to fill the skies with waterfowl today, tomorrow and forever. Ducks Unlimited conserves, restores and manages wetlands and associated habitats for North America's waterfowl. These habitats also benefit other wildlife and people. Try the Ducks Unlimited Striped Tube Sock. These socks are intended for all-around comfort and warmth. The striping echoes the colors of outdoor tradition.