Some people love the comfort.
I don't like to wear long pants or boots but have to wear them for work. If I could, I'd be in shorts and running shoes every day. I don't like the burden of wearing too many clothes. I am not a nudist by any stretch. I just don't like the feeling of heavy clothes hanging on me. Maybe DF likes the air between his toes? I know that cramped and sweaty feet are not comfortable.