Boston Red Sox 2018 World Series 59FIFTY fitted hat in navy, size 7 3/8. Red Sox "B" logo with the World Series side patch and 59FIFTY 7 3/8 brim sticker. Interior barcode reads "MLB18 5950 WOOL WS B 738" — this is the wool Cooperstown World Series cap. New Era 59FIFTY fitted silhouette. Size 7 3/8. Team: Boston Red Sox, MLB. See photos for exact condition and details. Ships fast in protective packaging.