new era authentic new york mets black neo 39thirty flex hat (medium/large) new era as a tried and true new york mets fan, you want to ensure your wardrobe reflects your team spirit accurately. attain that goal with ease with this neo 39thirty flex hat from new era! it features terrific embroidered new york mets graphics on both the crown, as well as on the back, so there is no way your loyalty will be missed.