Iowa State Cyclones Authentic Speed Football Helmet. Perfect item for autographs and collectors. This full size Iowa State Cyclones 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 Iowa State Cyclones helmet is great for autographs and features Iowa State Cyclones team logo decals on both sides. The striking shape of the future. NCAA Longhorns Authentic Revolution Speed helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H). NCAA Iowa State Cyclones Full Size Helmet.