Columbia Sportswear (COLM) 10-Q 2018 Q2 Quarterly report

EXHIBIT 32.1

SECTION 1350 CERTIFICATION

In connection with the Quarterly Report of Columbia Sportswear Company (the “Company”) on Form 10-Q for the period ended June 30, 2018, as filed with the Securities and Exchange Commission on the date hereof (the “Form 10-Q”), I, Timothy P. Boyle, 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 my knowledge:

(1) The Form 10-Q 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 Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: August 2, 2018

/s/TIMOTHY P. BOYLE

Timothy P. Boyle

President, Chief Executive Officer

Columbia Sportswear Company