Denver Broncos 2023 Alternate Riddell Speed Replica Full Size Football Helmet. This full size Denver Broncos a steel polyvinyl-coated face mask, 4-pt chin strap, and elliptical air vents. The officially licensed NFL Denver Broncos helmet is great for autographs and features Broncos team logo decals on both sides. The striking shape of the game! NFL Denver Broncos Replica Speed helmet size medium measures: 12.75"(L), 9.25"(W), 9.75"(H). NFL Denver Broncos Full Size Speed Replica Helmet. (NOT FOR WEARING)