Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Unifi, Inc. (the “Company”) Annual Report on Form 10-K for the period ended June 26, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, William L. Jasper, Chairman of the Board and Chief Executive Officer of the Company, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:      September 9, 2011    By:  /s/  WILLIAM L. JASPER                                            William L. Jasper Chairman of the Board and Chief Executive Officer