You won’t need a flak jacket or a safari suit. And the pith helmet is best left at home (or donated to a colonial history museum). There will be Instagrammable moments aplenty, but they should focus ...

You won’t need a flak jacket or a safari suit. And the pith helmet is best left at home ... Supplement your sunscreen with a broad-brimmed hat and – on scorching days – a neck gaiter.

It is simultaneously serious and chic. It also speaks to her love of hats, which has sometimes got her in trouble – for example her widely criticised colonial-style pith helmet on safari in Kenya.