<Page>

                                                                    EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
            SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned, as
Executive Vice President and Chief Financial Officer of Reebok International
Ltd. (the "Company"), does hereby certify that to the undersigned's knowledge:

   1) the Company's Annual Report on Form 10-K for the year ended December 31,
      2003 ("10-K") 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 Company's 10-K being filed fairly
      presents, in all material respects, the financial condition and results of
      operations of the Company.

                          /s/ Kenneth Watchmaker
                          --------------------------
                          Kenneth Watchmaker
                          Executive Vice President and
                          Chief Financial Officer

Dated: March 15, 2004


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