Thierry Lasry Bowery - Henry Cavill - The Man From U.N.C.L.E.
The glasses can be seen in the film as well as on the movie posters.
The aviator style sunglasses have black and semi transparent grey frame, probably the color "gradient grey" color code 1001.
Thierry Lasry is a French designer and the glasses are handmade in France.
Find out more about these glasses on the Thierry Lasry website.
In the same film, Alicia Vikander, who plays Gaby Teller, wears a pair of Thierry Lasly Milfy sunglasses.
Reference: Thierry Lasry Bowery, gradient grey 1001
Thanks to Ryan Harman for the alert