Wilson Staff Zip Golf Balls

ZERO COMPRESSION CORE: ​The patented zero compression core combines with a speed-generating ionomer cover to achieve both feel and distance. ​ UNIQUE DIMPLE PATTERN: The 302 PhD aerodynamics dimple pattern features unique flat-bottomed, shallow dimples that rip through the air to create a stable, penetrating flight.​ Compression: 50 Cover construction: Surlyn Dimple: 302Phd Layers: 2