100 Polyester, Structured, Firm Front Panel, Flexible Fit. 6 Panel Fitted Cap Seamed Front Panel with Full Buckram 6 Sewn Eyelets Square Flat Visor 8 Rows Stitching on Visor Matching Color Undervisor OTTO FLEX Stretchable Sweatband - A snug, flexible fit with antibacterial, anti-odor and moisture wicking properties