To use an REI coupon:
- Fill your cart with items you would like to order
- Review your items and click on Proceed to checkout. Enter in all your shipping info and head to the payment by selecting Continue.
- Enter your contact details and select Continue again and proceed to select your shipping option.
- Once on the Payment page, look for the tab that reads Apply a Coupon, which is located by the boxes for your card details. Enter your coupon in the drop-down box and hit Apply.
Your discount should be reflected in your purchase price!