97 Cotton 3 Spandex, Structured, Firm Front Panel, Low-Fitting, The Flexible Fit. 6 Panel Flexible Fitted Cap Seamed Front Panel with Full Buckram 6 Sewn Eyelets Pro Stitch on Crown 6 Rows Stitching on Visor Matching Color Sweatband Enclosed back for a clean, sleek appearance OTTO FLEX Stretchable Sweatband - A snug, flexible fit with antibacterial, anti-odor and moisture wicking properties U.S. Patent 6,347,410 This Style Replaces 11-019 11-020 11-021