Flexfit Organic Cotton Cap. FLX-6590 Organic cotton twill is blended with a hint of Spandex for a superior fit. 98/2 organic cotton twill/spandex Fitted, six-panel, low-profile, structured Permacurv visor, matching undervisor Sewn eyelets Sizes: S/M (6 3/4"-7 1/4"), L/XL (7 1/8"-7 5/8")