I’d like to think this was satire, but it appears not… The Philosopher’s Jumper. Though I guess if you’re prepared to pay £150 then the joke’s on you anyway…
Thanks to James Kneale for the alert.
They try to suggest various people, including Samuel Beckett and, right, Foucault and Sartre are modelling it.
If you want sartorial satire, the picture below wins every time…