60/33/4 cotton/polyester/PU spandex, twill oil cloth fabric100% polyester mesh backStructured, six-panel, mid pro profileMetal eyelets on front panelsPre-curved billAdjustable snapback closureThis product meets the following Sustainable Style subcategory:Responsible Mindset: This brand donates 1% or more of their annual revenue to Captains for Clean Water.