The Men's Nike Black San Francisco 49ers Sideline Tonal Logo Performance Player T-shirt is the ultimate way to show unwavering support for the San Francisco 49ers. This performance-ready tee features a heat-sealed applique with silicone details, ensuring team pride stands out. Perforated chest and back panels provide breathability, while rib-knit shoulder insets and stretch knit fabric offer comfort and mobility. Whether cheering from the stands or representing the 49ers off the field, this T-shirt is the perfect way to showcase fandom.