Dual Muscle Titanium design combines multiple materials during the Grain Flow Forging process * Pure Titanium places mass behind the hitting area for amazing solid feel, while freeing up discretionary weight for increased MOI * Patented Grain Flow Forged 1025E "Pure Select" mild carbon steel * Provides the ultimate soft, solid, consistent feel * Rolled leading edge, flattened mid-sole, and rolled trailing edge deliver consistent striking ability from all types of lies