How to Redeem a lululemon eGift Card: To redeem in-store, print out your eGift Card page and present at time of purchase, or show the barcode on your mobile device. To redeem online, just follow these easy steps: Step 1: On the Checkout page in the Payment section, enter your Gift Card number and PIN number. Step 2: Hit the “Apply” button. You will see the Gift Card amount deducted from your total order.