Head Down Trainers are guaranteed to make you a better fielder and hitter. HDT's dramatically improve glove-hand responsiveness and improve a fielder's ability to catch ground balls by keeping the fielders head down on the ball, all the way into the glove. HDT's can also be used during soft-toss and tee hitting drills to keep the batter's vision focused on the point of contact. Comes complete with 3 interchangeable lenses; dark lenses for outdoor training, yellow lenses for indoor training and regular lenses for sun protection anywhere. The arms are ergonomically designed for greater comfort and molded TPR arm tips proved for a soft comfortable fit. All lenses are Polarized for ultimate protection. HDT's are available in Youth and Adult sizes and are great for little leaguers or more advanced players looking for an edge. HDT's will build confidence and make you a better fielder and hitter!