The Nike® 20XI Golf Balls combine tour level control with longer distance, improved feel and enhanced short game control for the ultimate in tour performance. Larger, softer RZN core combined with a faster RZN mantle maximizes speed and optimizes spin and feel off all clubs for next generation tour-performance. FEATURES:Tour-proven proprietary resin chemistryFaster ball speed for longer distanceHighest Moment of Inertia (MOI) for more consistent, stable ball flightPersonalize with your name or message12 packNike