2016 Wilson A1K Series: A1KRB16CM Catcher's Mitt Thirty Three inches Fastbreak construction combines the expertise of Wilson A2000 technicians with materials optimized for a quicker break in Snug fit with modifications to provide more Control to the catcher Top shelf leather for durability and a custom break in. the same base pro stock patterns used on the legendary Wilson A2k and a2000 models Low profile heel for less rebound on bad-hop grounders and to make the glove easier to close