The Pro Select First Baseman Glove for Baseball combines Mizuno's rich glove heritage with advanced glove scans of hundreds of professionals to create pocket designs tailored specifically to each position and how players prefer to break-in their glove. This unique approach to glove design allows for all players to shape their glove like a pro for an incredibly natural fit and feel. Made with top-quality US Steerhide leather that is firm, incredibly durable, and will form to your hand perfectly as you break it in. KEY FEATURES: US Steerhide Leather: Premium US Steerhide is firm and built to hold up to the rigors of of a full season. Steersoft Elite Palm Liner: Elite Leather palm liner provides exceptional feel. Player Pocket Designs: Pockets tailored specifically to the player's needs and how they prefer to break-in their glove. Recommendations:Shallow: Middle Infielders. Regular: All. Deep: Shortstops and 3B.