Become a Citizen of the Underwear Nation (underwearnation.com) by signing up for a 6 month membership and they will send you ONE FREE PAIR OF UNDERWEAR. Sign up for a 12 month membership and they will send you TWO FREE PAIRS. Just enter promo code BDAY1 at checkout. They will pick a complimentary pair based on the preferences you select when joining and send them with your first month’s shipment.
