Need help figuring out what size football helmet you need? Green Gridiron is here to help. In this video, we show you the proper way to measure your head and how to adjust your new SpeedFlex helmet.<br /><br />WHERE TO BUY A SpeedFlex helmet:<br /><a href="https://www.greengridiron.com/products/riddell-speedflex-football-helmet-facemask-not-included" target="_blank" rel="nofollow">https://www.greengridiron.com/products/riddell-speedflex-football-helmet-facemask-not-included</a><br />...<br /><a href="https://www.youtube.com/watch?v=2Jy2IzD1x1Y" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=2Jy2IzD1x1Y</a>