The A.D. STARR USA Spirit Fastpitch Softball is a 12-inch synthetic ball designed for match play. It features a compression hardness of 375, a COR of 0.47, and is suitable for fastpitch softball enthusiasts. The ball is made with a poly-core material and super raised stitching, ensuring durability and quality performance on the field. With vibrant optic yellow color and the official USA Softball association, this ball is perfect for competitive games and practices.