Check the listing for details. Field Grade Skylab NASA Flight Operations Strapback Adjustable Hat Black. Color: Black, Condition: New. Listed at 29.99 USD. This Field Grade Skylab NASA Flight Operations Strapback Adjustable Hat in Black is the perfect addition to any space enthusiast's collection. Designed with the utmost attention to detail, this hat features a strapback adjustable strap that ensures a comfortable fit for all head sizes. The black color gives it a sleek and stylish look that is perfect for everyday wear. Made in the United States, this NASA hat is a must-have for any fan of the space program. The hat is emblazoned with the NASA logo and features a unique design that pays homage to the country's rich history. Whether you're a collector or simply looking for a cool accessory, this Field Grade Skylab NASA Flight Operations Strapback Adjustable Hat is sure to impress.