Miami Hurricanes Full Size Authentic Revolution Speed NCAA Helmet by Riddell. This full size Miami Hurricanes 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 Miami Hurricanes helmet is great for autographs and features Miami Hurricanes team logo decals on both sides. The striking shape of the future. NCAA Miami Hurricanes Authentic Revolution Speed helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H). NCAA Miami Hurricanes Full Size Helmet.