Hi guys
This might be a dumb question, but I'm really stumped. I'm looking at sweaters for Lexi & Oliver now that the weather is getting cold, and I'm concerned about putting a sweater on Oliver because I'm not sure if they have like, an opening or something so he can pee...?

What do all of you who have little boys do to prevent them from peeing on their sweaters? Belly bands? I'm not as worried about Lexi because she's 100% pad trained and she's built differently anyway
Thanks!!