Make consistent contact at the plate with the 2025 Proven™ (-13) Fastpitch Softball Bat from Louisville Slugger. This one-piece composite bat delivers a light swing weight, helping young players control the barrel through the zone. The full composite construction creates a stiff feel while improving performance and minimizing hand sting on contact. One Piece Composite Construction: Designed with an engineered sweet spot for improved pop and solid feel on contact. Ultra Balanced Swing Weight: Light and easy to swing for increased barrel control and bat speed Standard Synthetic Leather Grip: For better bat control