Exhibit 32.1

CERTIFICATION BY THE CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to the requirement set forth in Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended, (the "Exchange Act") and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. Section 1350), as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, Charles V. Bergh, Chief Executive Officer of Levi Strauss & Co. (the "Company"), and Harmit Singh, Chief Financial Officer of the Company, each hereby certifies that, to the best of his knowledge:

1.The Company's Quarterly Report on Form 10-Q for the period ended August 23, 2020, to which this Certification is attached as Exhibit 32.1 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of, and for, the periods presented in the Report.

/s/ CHARLES V. BERGH

Charles V. Bergh

President and Chief Executive Officer

October 6, 2020

/s/ HARMIT SINGH

Harmit Singh

Executive Vice President and Chief Financial Officer

October 6, 2020