I think fashion makes it simple these days. Did you say PJs? Day and night?
Worse, that's a velour tracksuit worn by Amy Childs, who is know to some of us Brits as one of the original TOWIE cast members, and the woman who (reputedly) made the first of her several millions by introducing the UK to 'vajazzles'.
I don't dare to ask.
But you can google
yep, I did
I remember having to dress like that to recover a brick from the deep end. I eschewed the boots though.