Minnesota Vikings Reebok Retro Sport Throwback Flat Bill Flex Hat Reebok NFL Hats Support your team in style while showing everybody you are Old School with this authentic Retro Sport throwback Flat Bill hat from Reebok. This hat features a distressed raised embroidered throwback team logo on felt & fabric applique on the front contrast stitch on top visor and the official felt & canvas Retro Sport label on the back. Made of 98% cotton/2% spandex blend which is very durable and comfortable. Officially licensed by the NFL.