Welcome to the Style Clinic. We're grateful for the sartorial queries you have sent to Mr. Porter thus far - please keep them coming. Alternately, you can send a letter to the address here. Our enquiry this week is from African pharmaceutical executive Mr Willem D van Niekerk, who wants to stay cool in the heat while still looking the business. Click on the video above to see how we advise him. Enjoy.

Published in Style & Beauty