Coastal Carolina Chanticleers Riddell Speed Replica Full Size NCAA Helmet. This full size Coastal Carolina helmet is designed with a non-wear plate and molded foam jaw pads, a steel polyvinyl-coated face mask, 4-pt chin strap, and elliptical air vents. This officially licensed NCAA helmet is great for autographs and features Coastal Carolina team logo decals on both sides. NCAA Coastal Carolina Chanticleers Riddell Speed Replica Full Size Football helmet size medium measures: 12.75"(L), 9.25"(W), 9.75"(H) (NOT FOR WEARING)