Skechers U.S.A. (SKX) 10-Q 2011 Q3 Quarterly report

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 quarterly report of Skechers U.S.A, Inc. (the “Company”) on Form 10-Q for the three months ended September 30, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned, in the capacities and on the date indicated below, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his knowledge:

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

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

/s/ ROBERT GREENBERG

Robert Greenberg

Chief Executive Officer

(Principal Executive Officer)

November 9, 2011

/s/ DAVID WEINBERG

David Weinberg

Chief Financial Officer

(Principal Financial and Accounting Officer)

November 9, 2011

A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN

PROVIDED TO THE COMPANY AND WILL BE RETAINED BY THE COMPANY AND FURNISHED TO

THE SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.