Undefeated . a fixture of authentic sneakers and apparel in LA . teamed up with Nike for the December 2019 debut of the Undefeated x Air Max 90. This reimagining of Tinker Hatfield's design foregoes a classic mixed-material approach . selecting premium leather for its upper in stark black. Solar Red calls attention to co-branded hits . the shoe's perimeter . Max Air unit and segments on the outsole. 'Undefeated' lettering on the shoe's lace lock authenticates this special collaboration.