2025 Rivalries Collection Speed Mini HelmetPart of the NFL's Rivalries Collection4-point chinstrapApproximately 5.5 inches tallFoam intertior paddingOfficially licensedThe San Francisco 49ers Black 2025 Rivalries Collection On-Field Alternate Riddell Speed Mini Helmet is designed to celebrate iconic matchups and deepen fan connection via bold, fresh uniform, helmet, and merch designs for key rivalry games. The Rivalries connections is made for the NFL's best rivalries.