Rep your favorite Nfl team in style with the Dallas Cowboys 2025 Nfl Sideline Throwback 39THIRTY Flex Hat. This flex-fit hat is the 2025 on-field cap of the Nfl Sideline and worn by players, coaches and staff. New Era's premier stretch-fit style is engineered specifically to create a comfortable fit. The quick-dry cushion sweatband provides a soft, comfortable feel and the sewn-down silicone patch on crown displays your Dallas Cowboys pride.