EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statement on Form S-8 dated July
19, 2000 pertaining to the Blair Corporation Employee Stock Purchase Plan and in the Registration
Statement on Form S-8 dated July 19, 2000 pertaining to the Blair Corporation 2000 Omnibus Stock
Plan of our reports dated February 21, 2006, with respect to the consolidated financial statements
and schedule of Blair Corporation and Subsidiaries, Blair Corporation and Subsidiaries managements
assessment of the effectiveness of internal control over financial reporting, and the effectiveness
of internal control over financial reporting of Blair Corporation and Subsidiaries, included in the
Annual Report (Form 10-K) for the year ended December 31, 2005.
Buffalo, New York
March 8, 2006