Exhibit 99.1

 JoS. A. Bank Clothiers Announces 4.6% Increase in August 2006 Sales

    HAMPSTEAD, Md.--(BUSINESS WIRE)--Aug. 31, 2006--JoS. A. Bank
Clothiers, Inc. (NASDAQ Global Select Market: "JOSB") announces that
its total sales for the fiscal month ended August 26, 2006 (fiscal
August 2006) increased 4.6% to $29.6 million, as compared with $28.3
million in fiscal August 2005. Comparable store sales decreased 6.1%
in fiscal August 2006, as compared with an increase of 12.9% the
fiscal month of August 2005. Combined catalog and internet sales
increased 17.4% in fiscal August 2006, as compared with fiscal August
2005.
    The Company noted that during the first week of August 2006,
comparable store sales increased over the same prior year period, but
trailed prior year sales in the remainder of the month. Sales in the
first few days of fiscal September have exceeded sales in the same
period of last year.
    Total sales for the seven months ended August 26, 2006 increased
17.4% to $262.4 million compared with $223.5 million in the comparable
prior year period, while combined catalog and Internet sales increased
21.3%, as compared with the same prior year period. Comparable store
sales have increased 5.7% for the seven months ended August 26, 2006,
as compared with the same prior year period.
    The Company has set a conference call to discuss fiscal 2006
second quarter earnings on September 7, 2006 at 11:00 a.m. Eastern
Time (EDT). To participate in the call please dial (USA) 800-230-1059
or (International) 612-332-1025 at least five minutes before 11:00
a.m. EDT on September 7, 2006. A replay of the conference call will be
available after 2:30 p.m. EDT on September 7, 2006 until September 14,
2006 at 11:59 p.m. EDT by dialing (USA) 800-475-6701 or
(International) 320-365-3844. The access code for the replay will be
837711.

    JoS. A. Bank Clothiers, Inc., established in 1905, is one of the
nation's leading retailers of men's classically-styled tailored and
casual clothing, sportswear, footwear and accessories. The Company
sells its full product line through 345 stores in 40 states and the
District of Columbia, a nationwide catalog and an e-commerce Web site
that can be accessed at www.josbank.com. The Company is headquartered
in Hampstead, MD, and its common stock is listed on the Nasdaq Global
Select Market under the symbol "JOSB."

    The Company's statements concerning future operations contained
herein are forward-looking statements within the meaning of the
Private Securities Litigation Reform Act of 1995. Actual results may
differ materially from those forecast due to a variety of factors
outside of the Company's control that can affect the Company's
operating results, liquidity and financial condition. Such factors
include risks associated with economic, weather, public health and
other factors affecting consumer spending, higher energy and security
costs, the successful implementation of the Company's growth strategy
including the ability of the Company to finance its expansion plans,
the mix and pricing of goods sold, the effectiveness and profitability
of new concepts, the market price of key raw materials such as wool
and cotton, seasonality, merchandise trends and changing consumer
preferences, the effectiveness of the Company's marketing programs,
the availability of lease sites for new stores, the ability to source
product from its global supplier base, on-going litigation and other
competitive factors. Other factors and risks that may affect our
business or future financial results are detailed in our filings with
the Securities and Exchange Commission, including the Company's Annual
Report on Form 10-K for the year ended January 28, 2006. These
cautionary statements qualify all of the forward-looking statements
the Company makes herein. The Company cannot assure you that the
results or developments anticipated by the Company will be realized
or, even if substantially realized, that those results or developments
will result in the expected consequences for the Company or affect the
Company, its business or its operations in the way the Company
expects. The Company cautions you not to place undue reliance on these
forward-looking statements, which speak only as of their respective
dates. The Company does not undertake an obligation to update or
revise any forward-looking statements to reflect actual results or
changes in the Company's assumptions, estimates or projections. These
risks should be carefully reviewed before making any investment
decision.

    CONTACT: JoS. A. Bank Clothiers, Inc., Hampstead, MD
             David E. Ullman, EVP/CFO,
             410-239-5715
             or
             Investor Relations Voicemail,
             410-239-5900
             E-commerce Address for JoS. A. Bank Clothiers, Inc.:
             www.josbank.com