Atlas is the newest addition to the Columbia 300 line of big hooking performance balls. The Atlas starts with a new core design that has a higher RG, Differential, and Intermediate Differential than the Speed core. The Atlas core is designed to help the Formula 1 solid cover perform on heavier oil conditions, produce an exceptional backend and drive through the pins. The new Atlas is finished at 500, 2000 Siaair to provide traction on medium to heavy oil.