PERFORMANCE TECHNOLOGY: One-Piece Construction: Allows for maximum stiffness, ultimate bat speed, and an ultra-responsive feel DX1(TM) Alloy Barrel: High strength alloy built for performance and durability ION D End Cap: Built to provide a lighter swing weight while optimizing barrel performance ADDITIONAL DETAILS: NOTICE : Baseball/Softball Bats are only eligible for return if they have not been used. Expanded Warranty: DeMarini's BBCOR warranty covers multiple repairs or exchanges throughout the first year following the purchase of any stock bat. Visit: DeMarini Bat Warrenty to learn more