PERFORMANCE TECHNOLOGY: EVOKE Alloy Barrel: Designed with the help of artificial intelligence using thousands of computer simulations, resulting in an optimized wall design along the entire length of the barrel. SPD-Gen2 End Cap: Designed with lightweight, composite materials to optimize barrel performance. TUNED Mass Damper (TMD): Component within the handle absorbs vibration for an unbelievable feel with every swing - no matter where players make contact. Designed utilizing insights from AI simulations, the Louisville Slugger Atlas features variable barrel thickness along its entire length to create a massive sweet spot and optimize performance ADDITIONAL DETAILS: Premium LS Pro Comfort Grip(TM): Applied to the handle for the added tack and cushion players love, improving comfort and bat control. NOTICE : Baseball/Softball Bats are only eligible for return if they have not been used.