The Louisville Slugger Solo 618 Hyper Alloy Baseball Bat is designed for youth players with a barrel diameter of 2 5/8 inches and a length of 29 inches, weighing 18 ounces. Made from a durable metal alloy, this Louisville Slugger model is part of the Louisville Bats team collection. The bat is specifically crafted for baseball activities, featuring a -11 drop weight for better control and speed for young players on the field.