Structured, six-panel, low-profile Heather Grey is 10/55/35 wool/acrylic/polyester 65/35 cotton/polyester. Mesh back. Snapback closure Pre-curved visor, visor board transitioning to recycled content Structured, six-panel, low-profile. Heather Grey is 10/55/35 wool/acrylic/polyester. 65/35 cotton/polyester. Mesh back. Snapback closure. Pre-curved visor, visor board transitioning to recycled content.