EXHIBIT 99.1



                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

         In connection with the Quarterly Report of Weyco Group, Inc. (the
"Company") on Form 10-Q for the period ended March 31, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Thomas
W. Florsheim, Jr, 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 to the best of my knowledge:

         (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

/s/Thomas W. Florsheim, Jr.
- --------------------------------
Thomas W. Florsheim, Jr.
Chief Executive Officer
May 12, 2003

This certification accompanies this Report pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and shall not be deemed filed by the Company for
purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

A signed original of this written statement required by Section 906 has been
provided to Weyco Group, Inc. and will be retained by Weyco Group, Inc. and
furnished to the Securities and Exchange Commission or its staff upon request.