Get ready for another season of New York Mets baseball with this New Era Fan Pack Gradient 39THIRTY Flex Hat. The 39THIRTY is New Era's premier stretch-fit style, engineered specifically to create a comfortable fit. An embroidered fabric appliqu Spring Training patch with team details on the front crown lets everyone know who you're rooting for. With a five-panel construction with mid and rear ventilation eyelets, you'll be repping your team comfortably all season long. Brand: New Era. Officially licensed. Stretch fit. Embroidered fabric applique Spring Training patch with team details on the front crown. Embroidered team name on the back bottom. Mid Crown. Structured fit. Five-panel construction with mid and rear ventilation eyelets. Material: 100% Polyester - Front Panels & Visor; 95% Polyester/5% Spandex - Mid & Real Panels. The 39THIRTY is New Era's premier stretch-fit style, engineered specifically to create a comfortable fit. Wipe clean with a damp cloth. Imported. Curved bill. Size: S/M. Gender: male. Age Group: adult. Material: COTTON.