Exhibit 31.2

CERTIFICATION

I, David E. Ullman, certify that:

|1                                                                                                                                                                                            | . | I have reviewed this report on Form 10-Q of Jos. A. Bank Clothiers, Inc.;                                                                                                                                                                                       
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|2                                                                                                                                                                                            | . | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a materialfact necessary to make the                                                                                                               
|statements made, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;                                      
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|3                                                                                                                                                                                            | . | Based on my knowledge, the financial statements, and other financial information included in this report, fairly present                                                                                                                                        
|in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;                              
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|4                                                                                                                                                                                            | . | The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as                                                                                                                         
|defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
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|                                                                                                                                                                                             |   | supervision, to ensure that material information relating to the registrant, including its
     consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which
     this report is being prepared;     
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|                                                                                                                                                                                             |   | under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;                          
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|                                                                                                                                                                                             |   | the effectiveness of the disclosure controls and procedures, as of the end of the periodcovered by this report based on such evaluation; and                                                                                                                    
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|                                                                                                                                                                                             |   | the registrant's most recent fiscal quarter (the registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and
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|5.                                                                                                                                                                                           |   | The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal controlover financial reporting, to                                                                                                             
|the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):                                                  
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|                                                                                                                                                                                             |   | reporting which are reasonably likely to adversely affect the registrant's ability to record, process,summarize and report financial information; and                                                                                                           
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|                                                                                                                                                                                             |   | internal control over financial reporting.                                                                                                                                                                                                                      

|Date: September 7, 2006 |  | /s/ DAVIDE. ULLMAN     
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|                        |  | David E. Ullman        
|                        |  | Chief Financial Officer

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