The Volvik 3 piece construction golf ball with a 360 alignment tracker. The nano-bi core technology is designed for distance. • Repulsive Nano-Bi core Generates Great Distance • Volvik Soft Layer Improves Soft Feel and Spin Control • Z-III Cover Provides Great Spin and Excellent Durability • Volvik 12-20 Structured Dimple Gives Excellent Ball Flight • 322 Dimple Pattern • 90 Compression