NIKE Oregon Ducks Wingfront Legacy 91 Swooshflex Dri-Fit Stretch Cap Hat adult sizing, stretch fit small-med fits size range 6 7/8-7 1/8, med-lg range 7-7 3/8, lg-xl range 7 1/2-7 5/8 dri-fit tech wicks sweat away from your head O logo is chrome, backed by a vinyl like texture on the feather pattern.