S-Tech Core With its low compression, it provides extremely soft feel off the clubface and generates low driver spin to maximize distance * DuraSpin CoverA proprietary formulation that produces the soft feel and the exceptional short-game spin necessary in a high performance golf ballSignificantly improves durability * New HEX Aerodynamics Refined pattern provides the best aerodynamic performance ever in a Callaway golf ball, reducing drag and promoting a stable, penetrating ball flight that holds its line in the wind * High Visibility: Optical Yellow cover for additional visibility in the air and on the ground