Nike says, "A new shoe with old-school appeal. This pared-back design references the classic AF1, then leans into '80s style with stitched overlays and varsity-inspired colors.

With Fit {+2}, or Fit Squared, the 82-year-old Adams hopes to replicate the success of San Antonio-based Kaepa Inc., which sold a split vamp, double-lace athletic shoe that was a hit.