FILE- In this Sept. 1, 1959, file photo broadway actress Theda Nelson demonstrates the recommended way to get Levi's to shrink to size in San Francisco, Calif. The jeans were found in an abandoned mine. Levi Strauss & Co., which gave America its first pair of blue jeans, is going public for the second time on Thursday, March 21, 2019. The 166-year-old company, which owns the Dockers and Denizen brands, previously went public in 1971, but the namesake founder‚Äôs descendants took it private again in 1985. (AP Photo/Bob Goldberg, File)