2 piece construction: 2-PC Construction: Two-Piece construction used to create maximum performance and enhanced feel. CORTECH: Generates a wider sweet spot and reduced MOI for more power, forgiveness, and a faster swing speed for better performance at the plate. Optimized End Cap: Great sound on batted balls, while also positively affecting the bat's sweet spot to give you more pop. Speed-Helix Grip: Designed to provide comfort and durability.