A top Evreward merchant since 2005, Reebok offers coupons, cash back rebates and rewards, with savings as high as 50% off. Reebok discount coupons are seasonal, appearing every three to four months, and are often more valuable than similar merchants. Even when Reebok doesn't have a coupon, you can always get up to 30% cash back, and other great rewards, with every purchase.