Central Florida Golden Knights Authentic Speed Football Helmet. Perfect item for autographs and collectors. This full size Central Florida Golden Knights 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. NCAA Team name on back bumper. The officially licensed Central Florida Golden Knights helmet is great for autographs and features Central Florida Golden Knights team logo decals on both sides. The striking shape of the future. NCAA Central Florida Golden Knights Authentic Revolution Speed helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H). NCAA Central Florida Golden Knights Full Size Helmet.