two-piece hybrid construction | stiff composite handle with a powerful alloy + composite-lined barrel for optimal performancecompcore technology | patented inner core technology combines lightweight composite with the strength of the highest performance alloy, resulting in a higher performing barrel with 30% thinner alloy wallspurelynk cxn | directly connects the handle to the barrel, allowing independent movement to eliminate vibration and maximize performancepro-stiff carbon handle | extra-stiff carbon fibers create a solid handle, offering elite athletes a stiffer feel for enhanced performanceoptimized swing weight | s;ight end load feel with mass focused in the barrel providing more power to hitterscertification | bbcor