Exhibit 32.4

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 Amendment No.1 to the Annual Report on Form 10-K/A of Unifi, Inc. (the “Company”) for the year ended June 25, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Jeffrey C. Ackerman, Executive Vice President & Chief Financial 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: March 30, 2018	/s/ JEFFREY C. ACKERMAN
	Jeffrey C. Ackerman
	Executive Vice President & Chief Financial Officer
	(Principal Financial Officer)