Get ready for a matchup with one of the San Francisco 49ers' biggest rivals with this New Era 2025 Rivalries Collection Pony Tail Adjustable Hat. Made with breathable polyester, this hat features a wider opening in the back to easily accommodate a ponytail, creating a practical piece of fan gear that's both stylish and functional. Embroidered team graphics put your San Francisco 49ers fandom on full display, while the flex fit ensures comfortable all-day wear.