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©2014 Callaway Golf Company. Callaway Golf, the Chevron Device, Speed Regime, and HEX Aerodynamics are trademarks and/or registered trademarks of Callaway Golf Company. Phil Mickelson plays a prototype Speed Regime golf ball in competition.
THE WORLD’S FIRST TOUR BALLS DESIGNED TO FLY FURTHER WITH
HEX AERODYNAMICS CUSTOMISED FOR DIFFERENT SWING SPEEDS. Speed Regime Tour balls
are designed to fly further with different swing speeds. The HEX aerodynamic profile on SR1 is designed to fly farther with
swings below 90mph. SR2 is designed for swings between 90-105mph. SR3 is designed for swings over 105mph. If the