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