Quality doesnt get any finer than the Mizuno Pro First Base Mitt. From its US Kip Leather for added durability and a soft feel to its Shell Leather Palm Liner for incredible consistency throughout the glove this is truly the best of the best. The Mizuno Pro is tailored to each players specific needs so that you can focus on what matters most: making the big play. US Kip Leather features tight fibers giving you long-lasting durability and premium soft comfort. Shell Leather Palm Liner is crafted from the same premium material as the gloves outer shell for reliable durability and consistency. Player Pocket Designs provide you with pockets tailored specifically to each players needs and skill sets. 13 Glove.