The Easton 3000BKGY Core Pro fastpitch softball first base mitt has a 13" first base pattern with padding for first basemen. Easton Core Pro gloves feature Diamond Pro™ steerhide that is super-soft and game-ready from the moment you put it on. The 3000BKGY Core Pro features USA tanned professional rawhide lacing with a tensile strength of 100 lbs. for maximum durability, and a hand-oiled leather palm liner for added comfort. Core Pro gloves are a perfect choice for the player that wants an easy to break-in, game-ready glove that is built to last.