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