Sometimes with cloth diapers, #babygotback. It’s possible that you may need to size up in pants to accommodate a particularly fluffy butt. When it’s warm out, baby can go sans pants. Genius Shirts To coordinate with some of our favorite Genius Series diapers, we carry a selection of Baby Genius tees. Your baby can rock a matching t-shirt to your favorite Genius Series diaper. Here are a few of our faves! Shop our Genius Baby Clothing to see more!   Roomy Pants Doodle Pants are adorable baby pants that are extra stretchy and easily fit over a cloth diaper booty.