Ends today. REI Outlet is taking up to 71% off a selection of fitness apparel and shoes, plus offering members an extra 20% off item with coupon code ANNIV18 [Exp 5/28]. Free in-store pickup is available; free shipping on $50+.

Especially good deals on women's workout apparel, like these lucy Revolution Run Women's Workout Tights for $26 (or $21 for members after code).