Performance meets durability. The 2017 Uprising Junior Big Barrel 2 3/4" bat features DeMarini's DX1 Alloy for the perfect balance at the right price. DX1 Alloy High KSI strength alloy built for performance. Bat Specifications Drop: -10 Jr big barrel Barrel: 2 3/4" Certified: USSSA 1.15 BPF Swing Weight: Balanced Material: DX1 Alloy Construction: One-piece Warranty: One Year Manufacturer's Warranty