Get ready for gameday with the New Era Stretch Snap 9Fifty Boston Red Sox Hat. It has a structured crown with stretch-fit sweatband plus a snap closure to the rear. 9FIFTY stretch snap silhouette Comfy stretch fit sweatband Adjustable snap closure Boston Red Sox logo embroidered in team colours Flat visor Mix of polyester and spandex woven fabric The New Era Stretch Snap 9Fifty Boston Red Sox Hat is a classic, adjustable throwback cap. A structured cap with a flat visor that has the ability to curve. With a full crown, 6 panels and the ability to curve the 9FIFTY offers the ultimate style and comfort for all cap wearers.