One of her favorite casual wardrobe staples is the varsity cable-knit sweater. Her knack for making laidback pieces feel refined is part of what makes her style so universally admired. Of course ...

So, what is a varsity sweater? In America it is a term used for university, so it would be the sweatshirts that students wear, usually with the name of their state or chosen university on.

Princess Diana first wore the varsity sweater in 1996, following her visit to Northwestern University’s Evanston campus the year before, where she visited to raise money for a new cancer centre at the ...