All Star CM3000TM Professional Series Training Mitt. The CM3000TM is designed to teach catchers to catch in the pocket and not the web. It helps improve transfer speed and develops quick hands. It can be used in framing, transfer and popup drills. The All Star Professional Series is designed for fast break-in and hard use. The Professional Series is equal to the top of the line of many of brands, these mitts feature premium oil-softened Japanese tanned US steer hide and heavy duty rawhide laces. The Velcro back closure helps give a more custom and comfortable fit for players.