Cotton twill makes for one cool, comfortable cap with that broken-in garment washed look, 98% cotton/2% spandex, low-sweep profile shape, unconstructed, 6-panel, Permacurv® visor, 3 1/8" crown height, 4"w x 2"h imprint area, Sizes: S/M (6 3/4-7 1/4)-L/XL (7 1/8-7 5/8).