Wilson A2000 Pro Stock 1st Base Mitt WTA20RB152800 12 inch (Right Handed Throw) 179.95 Wilson Wilson A2000 First Base Mitt Reinforced Single Post Web, double break design, most popular mlb 1st base pattern. Wilson A2000 2800 First Base Mitt 12.00 inch A20RB152800. Used by Mike Napoli the Wilson A2000 2800 First Base Mitt is Wilsons most popular First Base Model. The Wilson A2000 2800 features a 12.00” pattern with a double heel break design for an optimal break in. The 2800 A2000 First Base Mitt features a reinforced single post web and is constructed from Wilson's popular Pro Stock Leather, for increased durability and a great feel. The Wilson A2000 2800 also comes equipped with a DriLex wrist liner to keep your hand cool and dry. 12 Baseball First Base Mitt. Reinforced Single Post Web. Double Heel Break Design. Pro Stock Leather for a long lasting glove and a great break-in. DriLex Wrist Lining to keep your hand cool and dry. Available in right hand throw and left hand throw.