OTTO CAP "OTTO FLEX" Fitted 6 Panel Low Profile Baseball Cap - Stretchable Deluxe Wool Blend 6 Solid and Two Tone Colors Available 82% Acrylic / 15% Wool / 3% Spandex, Structured, Firm Front Panel, Flexible Fit, Low-Fitting. 6 Panel Flexible Fitted Cap; Seamed Front Panel with Full Buckram; 6 Sewn Eyelets; Pro Stitch on Crown; 8 Rows Stitching on Visor; Matching Color Undervisor; Matching Color Sweatband.; Enclosed Closure; U.S. Patent 6,347,410; This Style Replaces 11-426, 11-427, 11-428