The 2027 Louisville Slugger Atlas 2.0 BBCOR is a one-piece alloy bat topped with a composite end cap, with a balanced swing feel, a -3 drop and a 2 5/8-inch barrel. The EVX Alloy barrel uses AI simulations to optimize wall thickness, and the lightweight XPND Performance End Cap pushes the sweet spot toward the tip. It also has Tuned Mass Damper (TMD) vibration control, a Pro Design Knob Taper and an LS Pro Comfort Grip. BBCOR .50 certified for high school and college play (also legal in Little League Intermediate 50-70 and Junior League). Sizes 29-34 in, 12-month manufacturer's warranty.