This vintage Russell Athletics NFL Denver Broncos Karl Mecklenburg #77 jersey in size 50 is a must-have for any fan of the team or the player. Made of 100% nylon material and featuring a screened design, this orange jersey is a classic piece of fan apparel. With its authentic Sand Knit brand and country of origin being the United States, this officially licensed NFL jersey is a perfect addition to any football memorabilia collection.