Exhibit 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER 
PURSUANT TO SECTION 906 OF THESARBANES-OXLEY ACT OF 2002

|In connection with the Quarterly Report of Jos. A. Bank Clothiers, Inc. (the Company) on Form 10-Q for the period endedApril 29, 2006 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, David E. Ullman, 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 to the best of my knowledge:
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|September 7, 2006 |  | /s/ DAVID E. ULLMAN    
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|                  |  |                        
|                  |  | David E. Ullman        
|                  |  | Chief Financial Officer

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