QuickLinks -- Click here to rapidly navigate through this document


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

Not Filed Pursuant to the Securities Exchange Act of 1934

In connection with the Annual Report of The Men's Wearhouse, Inc. (the "Company") on Form 10-K for the year ended January 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Douglas S. Ewert, 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:

Dated: March 27, 2015

    By   /s/ DOUGLAS S. EWERT

Douglas S. Ewert
Chief Executive Officer



QuickLinks

Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of The Sarbanes-Oxley Act of 2002 Not Filed Pursuant to the Securities Exchange Act of 1934