OTTO CAP "OTTO FLEX" 6 Panel Low Profile Baseball Cap - Cool Comfort Performance Stretchable Polyester Mini Waffle Mesh 3 Solid Colors Available 100% Polyester, Structured, Firm Front Panel, Flexible Fit. 6 Panel Cap; Seamed Front Panel with Full Buckram; 6 Sewn Eyelets; Pre Curved Visor; 6 Rows Stitching on Visor; Enclosed Closure; U.S. Patent 6,347,410; Available in S/M (56cm -59cm/7 - 7 3/8 /22" -23.2") & L/XL (59cm - 62cm/7 3/8 - 7 3/4 /23.2" - 24.4")