The Nike RZN Platinum Golf Ball features Speedlock Technology with its interlocking RZN core design that delivers more energy between the layers for a faster ball speed and longer distance. The next generation RZN (resin), now softer for better feel and reduced excess spin, is a lighter, faster material designed for longer distance and a more consistent, stable ball flight. This may contain a mixture of different year models.
Did you know refinished golf balls have been formally accepted by the USGA. Rule 5-1/4 of the USGA rule book states that it is permissible for such a ball to be used. So there you have it, Refinished golf balls are permissible in tournament play!.