NCAA Notre Dame Fighting Irish Shamrock Speed Pro Line Football Helmet With its new distinctive design, the Riddell Speed Authenic Helmet has taken the football world by storm. Aggressive shell design and facemask, authentic padding, and 4-point chin strap. Great for autographs. Official team colors and decals. Riddell is the exclusive licensee for the Shamrock Helmet. Collectible, not to be worn for play. Includes the same stainless steel rod and acrylic base as Riddell's other Notre Dame full-size helmets.