Titleist Pro V1xPro V1x is the optimal premium performance choice for players looking for maximum distance, who need higher flight and more stopping power. New faster high gradient dual core produces more speed and iron and wedge spin for more control Low long game spin from a speed amplifying high flex casing layer New spherically tiled 348 tetrahedral dimple design optimized for high and more consistent flight Excellent greenside spin from a soft cast urethane