The Miken Nemesis ASA Flex Softball Bat features Hybrid Technologies that combine premium high performance materials to produce advanced equipment. R900 Aerospace grade carbon fiber merged with tempered alloy ensures unyielding durability and superior performance. R900 carbon fiber provides 38.8% higher tensile strength and 40% higher elongation than industry standard carbon fiber. R900 is proven to endure grueling play, deliver unrivaled durability and maximize performance. Dynamic Flex Ratio 180 increased handle recoil provides added distance to lower swing speeds. The Ballistic Crosslinked System provides 300% higher elongation for increased resilience at impact, superior durability and unmatched barrel rebound. Extended Sweetspot Design extra long barrel construction provides a power source for serious ball players. Balanced for maximum bat speed. Premium synthetic leather grip. X-Tack coating adds superior knob grip for added control. 2.25 barrel diameter. ASA 2004, USSSA 1.20 certified, NSA, ISA approved. Weights: 26, 27, 28, 30 oz. 34 length.