Wilson A800 Series Fast Pitch Mitt (12-1/2-Inch, Left-Handed Throw) Dual-welting: Our patented finger design helps maintain a stable pocket and ensures your shape will hold for many seasons to come Exclusive Ecco Leather: made from exclusive Ecco leather for unsurpassed comfort and quality. The ideal material for the Wilson Pro Stock patterns and game improving performance. Sorbothane-located inside glove. Shock-absorbing palm pad allows you to feel the ball but not the pain