Rawlings Heart Of The Hide PRO3039-6BGR 12.75 Inch Baseball Glove. The Rawlings Heart of the Hide gloves feature game day patterns of the pros and are constructed of the top 5% of hides. These gloves have helped define the careers of some of the most elite athletes and continue to do so. Features: 12.75 Inch Pro H-Web Conventional back Constructed from the top 5% of all available hides Deertanned cowhide plus palm linings provide a comfortable feel Padded thumb sleeve for added comfort