Seattle Seahawks Riddell Speed ECLIPSE Authentic Football Helmet. Perfect item for autographs and collectors. This full size Riddell Speed 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. This officially licensed NFL Seattle Seahawks helmet is great for autographs and features lime green Seattle Seahawks team logo decals on the matte black helmet with a black facemask. NFL Seattle Seahawks Riddell Speed Authentic helmet size is 13.5"(L) x 9.75"(W) x 10.25"(H)