Valid up to two orders per account on orders of up to seven pairs through March 31, 2017. Discount does not apply to previous purchases, taxes or shipping charges. Orders must be placed by March 31, 2017 at 11:59 p.m. EST to qualify. Timing will be determined by SIGVARIS server clock. *Free shipping applied to orders that qualify for USPS Priority Mail only. No Promo Code Necessary. No cash value. Offer is subject to change without notice.