About this item New fast layer core starts soft in the centre and gradually becomes firm around its edge, giving high-speed players exceptional feel and plenty of ball speed for maximum distance New 4th Generation spin skin features a serum urethane compound coating with flexible molecular bonds which dig deep into wedge and iron grooves, maximizing spin for more control and more stopping power 338 speed dimple pattern less drag and more lift boosts overall distance and flies straight, even in the toughest wind conditions 2 piece Golf ball with a 77 compression