Features: BoomCore(TM) system combining PureFoam, an EVA Power Ring, and fused construction for maximum power and durability Massive sweet spot with no break-in period and resistance to core crush MOI Tuning System with semi-permanent perimeter weighting for improved balance and stability Enhanced control and comfort through optimized mass distribution Octagonal handle design for improved maneuverability and shot accuracy Technology: BoomCore(TM) foam core engineered for explosive power and long-lasting performance MOI Tuning System increasing moment of inertia for a larger, more forgiving sweet spot InfiniGrit(TM) Surface providing 3x the spin durability of traditional raw carbon textures Surface capable of generating up to 2,000 RPMs for enhanced spin and precision