TaylorMade RocketBallz Urethane Golf Ball (Pack of 12) Tour-validated RocketBallz urethane golf ball 3-Layer technology promotes penetrating driver flight and maximum shot-shaping control LDP (low-drag performance) dimple pattern promotes improved distance on driver mis-hits Soft cast-urethane cover construction delivers great feel and tour-caliber greenside spin High-speed core engineered to generate fast ball speed off every clubface