The Baseball Youth Medium Alleson Athletics Practice Jerseys are short-sleeve t-shirts designed for boys who participate in baseball. Made of 100% polyester material, these jerseys feature a round neckline for comfort and a medium fabric wash for optimal performance during sports activities. The multicolor design adds a fun and stylish touch, making them suitable for practice sessions and games. With a size medium and focus on baseball performance, these jerseys by Alleson Athletic are ideal activewear tops for young athletes.