180 degree alignment aid, Durable print won't rub off. The All-New PXG Xtreme Tour X golf balls feature a thinner, more durable urethane cover combined with an expanded core for the ultimate in Tour-level quality and performance. This enhanced design delivers a firmer feel, more spin, and a higher trajectory than the Xtreme Tour, making it ideal for players seeking maximum distance and increased stopping power from their irons and wedges,