Over 100 years ago, we introduced duck boots made with rubber bottoms and lace-up leather uppers. We've kept the timeless look but swapped the rubber for a lightweight aeroform shell, which provides more flexibility and will keep feet warmer because the polyurethane won't transfer cold to your feet like rubber will. The inside is smooth and seamless, adding to the overall comfortable fit and feel. Aeroform technology, making a classic boot fit for the 21St century A time will come when you are faced with a challenge. You could spend your energy finding a way to quietly walk away from it, or face it head on, give it every inch of your being, succeed and walk away proud. Dominate your ground.