Coach Jenny's Halloween Challenge Marathoner Cap is made of 100% woven microfiber polyester with 100% polyester wicking mesh inserts. The lightweight microfiber wicks moisture for performance during aerobic activity. This is an unstructured, low profile cap with six panels and a pre-curved bill. Features contrast binding finishing, a reflective trim on tab at back, and a non-stick adjustable hook and loop closure. Bartack at back allows extra strap length to be hidden. Wicking mesh sweatband. One size fit most.