Mizuno GCP63X Classic PRO X Series 11.5" Infield Model Baseball Glove (Left Hand Throw) : Coffee leather, tanned from US hides, for unsurpassed control and feel. Mizuno Classic Pro X series GCP63X 11.5 Inch Infield Baseball Glove. 11.5 Inch Infield Pattern. Y Shock Web. Style Number 311405. Classic Pro X Series With 3D Technology for position specific patterns. Deerskin Parafit Technology for the best fit, feel, and craftsmanship in a Pro Level glove. Coffee leather, tanned from US hides, for unsurpassed control and feel. Relied upon by some of the best defensive players in the game.