OTTO CAP Young Adult 6 Panel Low Profile Baseball Cap - Brushed Cotton Twill Illuminated "Frame Cap" Oval 1 Two Tone Color Available 65% Polyester 35% Cotton, Strucured, Firm Front Panel, Low-Fitting. 6 panel cap; Seamed Front Panel with Full Buckram; 6 Sewn Eyelets; Matching Visor Color; Precurve Visor; 6 Rows Stitching on Visor; Matching Fabric Undervisor; Matching Color Sweatband; Matching Fabric Adjustable Hook and Loop Closure; Luminescent Light, Flashing or Steady; Two "AAA" Batteries Required (not included); Can be Seen from 1/2 Mile Away at Night; Interchangeable Insert of Design; U.S. Patent 4,999,936; Size:Young Adult (54cm/21.2")