Wilson Duo Urethane Golf Balls 2 Dozen Pack Brand new ball from Wilson for 2016! Soft like a Duo, but has a premium Urethane cover is in top Tour balls. The new Wilson Staff DUO Urethane is the World's Softest Urethane Ball at 55 compression. This ball rounds out the DUO family by offering the softest feel for the better player, while guaranteeing maximum distance off the tee and best-in-class spin The DuPont HPF inner mantle layer provides velocity for maximum distance