The Marucci Cat 8 BBCOR 31/28 Black & Red baseball bat is a high-quality, metal alloy bat designed for adult baseball players. With a 2 5/8 inch barrel diameter, 31-inch length, and 28 oz weight, this bat offers a balanced swing weight and anti-vibration knob for enhanced performance on the field. The sleek black color and Marucci branding add a stylish touch to this BBCOR-approved bat, making it a great choice for serious baseball enthusiasts looking to upgrade their equipment.