The Marucci CAT9 USSSA Senior -5 League Metal Baseball Bat is a high-quality, advanced-level baseball bat designed for youth players. Made from durable aluminum and metal alloy materials, this bat features a 2 3/4 inch barrel diameter and a balanced swing weight for optimal performance on the field. With a sleek gray color and vibrant red accents, this Marucci CAT9 model is approved for use in United States Specialty Sports Association (USSSA) leagues, making it a dependable choice for young athletes looking to enhance their game.