I used to live in the French Quarter of New Orleans, two doors down from the highly touristy Lafitte's Blacksmith Shop bar on Bourbon Street. I would get a great kick out of going in there on a Saturday night around midnight in my PJ bottoms, T-shirt and flip flops to use the ATM (before ordering dinner delivered). All the tourist girls in little black dresses and impossibly high heels would stare, and I'd just giggle.
But out in public? Not so much. Only for an occasional late-night run to
Walmart. My ex-husband used to do the PJ bottom thing a lot, and I hated it. I'm not sure why it's any harder/less comfortable to slip into yoga pants and a decent shirt, even if you don't want to go all-out.
That being said, I agree with those who said the PJs are much better than the ultra short shorts. I'm only in my early 30s, but I felt really old in Colonial Williamsburg the other day. A show let out, and a group of about 50 teenage girls flooded out, all wearing butt-baring shorts, tank tops and flip flops. I looked down at my black jeans, Sweeny Todd t-shirt and Converse high tops, and decided not to even try to compete LOL