This lighting effect is cross lighting this is because half of the face is dark whereas the other side is light. There is also a light coming from overhead because it is covering his eyes because of the hat.
Charlie James at Bananas Models photographed by Fanny Latour-Lambert for Issue 8. Fashion by Benoit Martinengo. Grooming by Kazuko Kitaoka. Charlie wears Jacket by Carven and Shirt by Bally. See the preview of the series here: http://www.boysbygirls.co.uk/index.php/news/charlie-james-for-issue-8