US sports clothing and accessories company Under Armour has joined forces with Authentic Brands Group for a multi-year The Estate Of Muhammad Ali brand partnership, in which the company will release apparel, footwear and equipment featuring imagery, video, and quotes from the Muhammad Ali archive.

Nick Woodhouse, President and CMO of ABG, said 'Muhammad Ali is one of the most respected and trailblazing figures in modern history. His monumental influence as a leader and champion continues to impact athletes, celebrities, and fans from around the world. The partnership with Under Armour is a perfect marriage as it uniquely taps into the deep connection that people have with Ali'. ABG also oversees brand development for names such as Marilyn Monroe and Elvis Presley.