Wilson 2026 Staff Model Golf Balls- 12 Balls, Yellow FOUR PIECE URETHANE GOLF BALL: Thin cast urethane cover around a hard outer mantle results in high ball velocity and exceptional performance on approach shots. SEAMLESS DIMPLE DESIGN: Produces stable and consistent ball flight and maximizes distance performance. MID COMPRESSION CORE: Delivers a penetrating ball flight and maximum greenside spin while maintaining low spin off the tee.