There are many timeless ideas when it comes to the Retro bid day theme. The designs you can create with this theme are ENDLESS! The Zeta Fever Bid Day Tee is a design that would match perfectly with any 70s or hippie theme. The Sigma Kappa Bid Day T-shirt is a must-have design for Bid Day 2021, it is a mineral wash which goes great with any bottoms that you are styling with. Your chapter will obsess over the ZTA Rainbow Ringer Tee. With all the different colors incorporated, your new members will stand out. Retro themed bid day designs will be memorable for every new member.