Baseball brilliance, unbeaten resilience! Put on the New Era Astros Felt 9FIFTY Cap to knock the ball out of the park and dominate the diamond. This headgear shields you from the sight of bad shots and lets you slide, sprint, and catch fly balls without worrying about the cap falling off. Ultra-comfy, versatile, and drenched in the true spirit of the Astros, the New Era Astros Felt 9FIFTY Cap lets you swing your bat with full force. 100% polyester.