NIKE Zonal Cooling Shortsleeve Statement Golf Polo 2018 Women TPU casing hardens the ball's exterior against potential abrasions for enhanced durability Machine-stitched construction holds panels together for optimal shape retention 26-panel design provides true flight and accuracy to capitalize on long balls and bending shots Minimal panel construction allows for high speed dribbling and passing on various surfaces Butyl bladder ensures dynamic impact upon shots for strong rebound capability and air retention