DeMarini 2014 Uprising 12 Fastpitch Softball Bat New for 2014, the DeMarini Uprising line of bats features the revamped DX1 Alloy and Hybrid Performance grip. These bats have gone through the ringer with DeMarini's Research Development team to ensure that they have the perfect balance of performance and durability at a more affordable price. DX1 Alloy Delivers perfect balance of high KSI strength and fracture toughness for long lasting performance. Hybrid Performance Grip 2piece grip with thin performance feel and faded color look. Bat Specifications Drop: 12 Fastpitch Bat Barrel: 2 1/4 Handle: DX1 Alloy Certified: ASA, USSSA, NSA, ISA, ISF Barrel Load: Balanced Material: DX1 Alloy Construction: Onepiece Grip: Hybrid Performance Grip Warranty: One Year Manufacturer's Warranty Available Sizes: 28in 16oz,29in 17oz,30in 18oz,31in 19oz,32in 20oz.