This six-panel fishing cap with a mesh back will be a comfy and classic choice for a perfect day on the water. mesh back keeps the head cool while protecting from the suns rays. • Structured, mid-profile, six-panel cap • 47/25/28 cotton/polyester/nylon • Hard buckram front panels • Mesh back • Permacurv visor, matching under-visor • Plastic adjustable closure • 3-1/2" crown • Head circumference - 21 5/8" to 23 5/8"