L.G.R. Comoros - Tom Cruise - Mission: Impossible 5 - Rogue Nation
The glasses, completely handmade in Italy, have a 1mm stainless steel frame and Zeiss Organic CR 39 grey lenses and black cellulose acetate terminals.
Cruise wears at least one other pair of L.G.R. sunglasses in the film.
Update 2023: the Comoros is curently not available anymore on L.G.R.
On Amazon you find this cheap pair of Omine sunglasses ($22) that has a slightly similar look with a memory metal frame.
Reference: L.G.R. Comoros, stainless steel frame with Zeiss Organic CR 39 grey lenses