PRIMED infield Training Mitt (Flat Mitt) WEAR On Left Hand The PRIMED infield Training Mitt (Flat Mitt) is a high-quality baseball accessory designed specifically for infield players using their left hand. Made by the reputable brand Primed, this mitt is one size and features a brown and black color scheme. Perfect for baseball enthusiasts looking to enhance their skills in the infield position, this mitt is a must-have for any serious player looking to improve their game on the field.