Get ready for the 2026 season with this New York Mets 2026 Clubhouse Alternate 39THIRTY Flex Hat New Era. The stretch-fit design delivers a comfortable, secure feel for game days or everyday wear. Finished with raised silicone graphics, this hat makes it easy to show off your New York Mets pride in a clean, stylish way. Material: 97% Polyester/3% Spandex. Stretch fit. Contrast-color undervisor. Officially licensed. Imported. Heat-sealed and sewn-down silicone logos with raised details. New Era's Official MLB 2026 Clubhouse Collection is designed to help players stay cool and comfortable before they return to the field. The 39THIRTY is New Era's premier stretch-fit style, engineered specifically to create a comfortable fit. Mid Crown. Wipe clean with a damp cloth. Curved bill. Six panels with eyelets for ventilation. Structured fit. Brand: New Era. Size: S/M. Color: Grey. Gender: male. Age Group: adult. Material: COTTON.