The Fly or Die fly fishing cap on our Riverside 6-panel mesh back style. Coupled with our Comfort Snap stretch elastic snapback for the stretch of elastic and adjustability of a snapback. Additionally, the fly or die hat features our American Fit sizing that fits men’s head sizes MD – XX. Combine our Comfort Snap with our American Fit and these caps are a better fit for big heads. Lastly, if you are looking for the best fly fishing hats and most unique designs we have you covered. Fly or Die hat RIVERSIDE 6-PANEL features a structured front, curved visor and front ropeMICRO-RIPSTOP polyester front fabric with mesh backCOMFORT SNAP rear closure couples elastic stretch with adjustability of a snapbackAMERICAN FIT sizing fits men’s head sizes MD – 2XONE SIZE FITS ALLWARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov