EASTON QUANTUM -11 BASEBALL BATThe Easton(R) Quantum(TM) is a one-piece aluminum big barrel design constructed of lightweight and durable ALX100(TM) PerformanceAlloy. It features a concave end cap and a cushioned Flex(TM) grip, providing additional comfort in the hands. It is approved for play in leagues and associations that follow the USA Baseball standard.FEATURESMaterial: Aluminum