But surely this can't extend to button-down collars?

Button-down collars were originally worn as sportswear, particularly by polo players.

But it was great to get out of tailcoats and stiff collars and into hipsters and button-down collars.

I pictured them all as striped or patterned, heavy cotton, with button-down collars.

A slight sheen on fabric works well with tiny, button-down collars.

He had on a blue, pin-striped suit and a crisply starched button-down shirt with a red tie.

And that's before you factor in a pie, a programme and a replica button-down shirt.

He wore a blue, button-down shirt and a red power tie.

Natty in button-down shirts and trousers with braces, they tackle their tasks with sober miens.

They are wearing button-down shirts and suits.