Popular on Evreward since 2010, Columbia Sportswear offers coupons, cash back rebates and rewards, with savings as high as 70% off. Columbia Sportswear discount coupons are somehwat rare, available a few times each year, and can be less valuable than similar merchants. Even when Columbia Sportswear doesn't have a coupon, you can always get up to 20% cash back, and other great rewards, with every purchase.