New York Jets Full Size Authentic Speed NFL Helmet by Riddell. This full size Jets 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. NFL Team name on back bumper . The officially licensed New York Jets helmet is great for autographs and features Jets team logo decals on both sides. The striking shape of the future. NFL Jets Authentic Speed helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H). NFL New York Jets Full Size Helmet.