Philosophy di Lorenzo Serafini Double-Breasted Twill Blazer in Blue

Philosophy di Lorenzo Serafini's claret blazer is part of the Resort '17 collection, inspired by the work of French designer Jean Bouquin who is famed for dressing the St Tropez jetset in the '60s and style icon Brigitte Bardot. Woven with touches of wool, this twill piece has a double-breasted front, peak lapels and embossed gold buttons.

Worn by the Duchess of Cambridge on:

• 18 October 2017