Why isn't it ok to wear underwear or long johns in public, even if

Why isn't it ok to wear underwear or long johns in public, even if

To Wear Or Not To Wear A T-Shirt

Pantyhose in Public: A Guide for Men - HubPages

How is it possible or just appropriate for females to walk in underwear in public? - Quora

Why can you wear leggings in public but not long johns? - Quora

Separatec Men's Dual Pouch Underwear Comfort Soft Premium Cotton

Winter Undie-land: A Brief History of Long Underwear

Can you get a public indecency charge for walking to your mailbox in your underwear as a man? - Quora

How the Boxer Brief Got Into America's Pants - Bloomberg