95/5 polyester/spandex, Sportmesh back Structured, six-panel, mid pro profile Pre-curved contrast stitch sandwich bill Comfort stretch sweatband. 98/2 polyester/spandex, Pulse fabric 95/5 polyester/spandex, Sportmesh back. Structured, six-panel, mid pro profile. Pre-curved contrast stitch sandwich bill. Comfort stretch sweatband. 98/2 polyester/spandex, Pulse fabric.