Wilson Onyx Series 13" Fastpitch Glove The Onyx™ has a professional feel off the shelf and breaks in quickly. It is designed with the competitive softball player in mind, so Wilson's best softball patterns have been constructed with materials ideal for the sport. The exclusive Double Play Leather™ combined with Rolled Dual Welting™ and Double Palm Construction make for a glove that feels solid and breaks in nicely for any style of play. Double Play Leather™ A specially formulated cowhide leather that breaks in quickly and doesn't sacrifice feel for the ball—the key to quick ball transfers. Rolled Dual Welting™ Thin strips of Pro Stock™ leather are skived thin and rolled to provide long lasting shape, but allowing for a quicker break in. Double Palm Construction A thin, strategically cut piece of leather is placed between the palm liner and outer shell, providing maximum pocket stability. Glove Specifications Pattern: 13" Fastpitch Outfield model. Web: Dual Post Web. Back: Open Back. Hand: Throws Right, Throws Left.