The Nike Aero Torque MEC-35 is a 31" senior league baseball bat with a 2 3/4" barrel diameter and weighing 22.5 oz. Made of alloy material, this bat is suitable for adult players and offers a sleek design for maximum performance on the field. With its quality construction and reputable brand, the Nike Aero Torque MEC-35 is a reliable choice for serious baseball players looking to enhance their game.