Get ready for the biggest San Francisco 49ers games of the season with this 2025 Rivalries Collection Sideline 39THIRTY Flex Hat from New Era. The 39THIRTY is a premier stretch-fit style, engineered specifically to create a comfortable fit, so you can celebrate every victory in style and comfort. The premium embroidered team graphics have raised details for a dimensional appearance that looks great and shows your loyalty.

• The 2025 Rivalries Collection spotlights iconic matchups across the AFC East and NFC West divisions with new uniforms and fan gear inspired by local communities.
• The 39THIRTY is New Era’s premier stretch-fit style, engineered specifically to create a comfortable fit
• Rope embellishment across visor
• Embroidered graphics with raised details
• One size fits most
• Six panels with eyelets
• Material: 95% Polyester/5% Spandex - Crown; 100% Polyester - Button and Visor; 100% Cotton - Undervisor
• Wipe clean with a damp cloth
• Curved bill
• Stretch fit
• Mid Crown
• Structured fit
• Brand: New Era
• Officially licensed