FIELD GRADE Skylab NASA Hat Special Edition Patch Review PlayfulSquire March 18, 2019 March 18, 2019 No Comments on FIELD GRADE Skylab NASA Hat Special Edition Patch Review Wheat crown, brim and underbrim. Nasa Worm 3D embroidered in Red and White. 25th Anniversary side patch. Adjustable strapback closure. Only buy “Sold by FIELD GRADE”. All other sellers providing cheap imitations.