You can literally wear whatever you want, whenever you want, just as long as it's clean. Like, good forbid you ever walk out the house with the same clothes that you've worn all week. And if you mean pants and underwear, like, pants are only meant to be worn half a day, okay? Like, you change- like, do people not change their pants like twice a day? Like, one for the morning, one for bedtime. Like, or is it just me? Because, the hell?