11 1B TRAINER 23 LHT 11Upgrade your fielding skills and scoops at first base with the Wilson 11 First Base Trainer, the training mitt engineered to help first basemen improve their all around game. At 11, this scaled down training glove helps players to improve their ground ball work and receiving skills at the bag. Black Full Grain Leather offers a soft feel without unnecessary bulk, and a drawstring wrist closure allows for easy adjustments.