NFL Shield Full Size Authentic Revolution Speed NFL Helmet by Riddell. This full size Falcons helmet is designed with extended mandible (jaw area) protection, a steel polyvinyl-coated face mask, chin strap, increased padding, an integrated facemask attachment system and elliptical air vents. NFL Team name on back bumper (except Chiefs, Steelers and Giants). The officially licensed NFL Shield helmet is great for autographs and features Falcons team logo decals on both sides. The striking shape of the future. NFL Falcons Authentic Revolution Speed helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H). NFL Shield Full Size Helmet.