Zaxby's offers a free Signature Sandwich (Sandwich Only) on November 11, 2023 for Zax Rewardz members, redeemable through Zaxby's app. Eligible Signature Sandwiches for the offer are the Zaxby's Signature Sandwich and the Zaxby's Spicy Signature Sandwich. The offer is unique to each Zax Rewardz account and redeemable one time for a free Signature Sandwich. It is valid only at participating Zaxby's locations and redemption is subject to availability.