Show your support for the San Francisco 49ers by grabbing this 2025 Nfl Training Camp 39THIRTY Flex Hat. Engineered for comfort, this premier stretch-fit hat from New Era is crafted from breathable performance fabric with perforated mid and rear panels, ensuring you stay cool during intense training sessions or on game day. The multi-layer visor with team color stripes and a rubberized San Francisco 49ers logo stitched on the front panels adds a touch of style, so you can rep your team with confidence.