Iowa Hawkeyes Authentic Speed Football Helmet. Perfect item for autographs and collectors. This full size Iowa 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. The officially licensed Iowa Hawkeyes helmet is great for autographs and features Hawkeyes team logo decals on both sides. The striking shape of the future. NCAA Hawkeyes Authentic Revolution Speed helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H). NCAA Iowa Hawkeyes Full Size HelmetHELMETS ARE INTENDED FOR DISPLAY ONLY & NOT FOR WEARING. (NCAA FULL SIZE HELMETS HAVE PLATE OR BAR INSIDE).