Game-Day Pattern of Yadier Molina 34 Size Heart of the Hide® ultra-premium steerhide leather is ultra-durable and renowned for forming the perfect pocket 1 Piece Solid Web Conventional Back Index Finger Pad Pro Grade Leather Laces Deer Tanned Cowhide Lining Break In: 35% Factory, 65% Player. New Rawlings Heart of the Hide 34 Baseball Catcher's Mitt: PRORYM4C RHT Cml/Brn This Rawlings 34-inch Heart of the Hide Yadier Molina catcher's mitt features a beautiful colorway that is sure to catch others's eyes once you are behind the plate.