Front: 65% Polyester / 35% Cotton | Back: 100% Polyester Structured Firm Front Panel Flexible Fit 6 Panel Fitted Cap Seamed Front Panels with Buckram Pro Stitch on Front Panels 2 Sewn Eyelets on Front Panels 6 Rows of Stitching on Visor Matching Color Undervisor OTTO FLEX Stretchable Sweatband – A snug, flexible fit with antibacterial, anti-odor and moisture wicking properties Enclosed Closure