The Marucci Ascension M Type 37S1 12.5 Baseball First Base Mit is a high-quality mitt designed for baseball players. With a size of 12.5 inches, this mitt provides a comfortable fit and ample space for catching and securing the ball. The Ascension M Type 37S1 model from Marucci ensures durability and performance on the field. Whether you're a professional player or a dedicated enthusiast, this baseball first base mitt is a reliable choice for your game.