Purchase 3 pairs of select full-price Underwear to receive a 4th pair of equal or lesser value for free. While stocks last. This offer runs from September 6th 2018 at 12:01am PST until September 16th 2018 at 11:59pm PST. To receive a free pair of underwear you are required to add all four pairs to your cart. Excluding Meld Zone and Anatomica Zone. Full refund will only be provided upon receipt of four pairs of underwear. You cannot get a refund on the purchased pairs while keeping the free item. We will not add free underwear to any orders placed before September 6th or after September 16th. This promotion cannot be combined with other coupons, discounts or promotions other than Free Ground Shipping over $49.Offer may differ in store. Please see in store for details. Delivery to Canada addresses only. Offer does not apply to Pro members.