Popular on Evreward since 2012, Sweaty Betty offers coupons, cash back rebates and rewards, with savings as high as $75 off. Sweaty Betty discount coupons are rare, only available once or twice a year, but are often more valuable than similar merchants. Even when Sweaty Betty doesn't have a coupon, you can always get up to 15% cash back, and other great rewards, with every purchase.