Commemorate four decades of heart-pounding Astros action with the New Era Astros 59Fifty 40th Stone Cap. Crafted from polyester woven fabric, this 5950 fitted cap isn't just an accessory—it's a tribute to 40 years of unforgettable moments and legendary plays. Whether you've already sworn allegiance to the Astros or are a new supporter, this cap is a grand slam addition to your collection. Wear your Astros pride loud and proud with the New Era Astros 59Fifty 40th Stone Cap. 100% polyester woven.