Tricot Black JacketTRICOT MESH Sports Upper It's called a warm up jacket for a reason. The perfect layer to get your mind and muscles ready, this ponytail jacket is made from classic sport tricot for a smooth look and feel. Ribbed details help it stay in place. The full zip makes it easy to take off once you're in the zone and pull right back on when it's time to head out. Plus, zippered side pockets give you a place to stash all your small running essentials. Double