Easton SLV3 Salvo Softball Series 1B Mitt (13.5-Inch) OIL TANNED: Game-ready soft tumbled oil-tanned leather IDEAL FIT SYSTEM: A patent-pending fit system. The contoured index finger channel combines the flexibility and comfort of an open back glove, with the feel/control of a closed back glove VRS PALM PAD: A protective palm pad that disperses the impact of the ball BIO-DRI: A moisture management fabric used to line the fingerstalls. Bio-Dri wicks away moisture keeping your glove dry and light 13.5" softball pattern, Dual H web with modified closed back, Lock Down adjustable quick binding strap