The ProV1x 2009 used golf balls are designed for players with high swing speeds. A 332 dimple design , multi-layer,four piece construction, and urethane elastomer cover. The ProV1 2009 has a A.I.M, which stands for Alignment Integrated Marking, side stamp and new staggered wave parting line for the golfer seeking long distance with tour validated feel and performance this is the ball for you.