Michael Keaton wears a pair of Randolph Engineering Aviator sunglasses in the movie American Assassin (2017). 

The sunglasses can be recognized by their typical bayonet temples, which are designed to fit comfortably under headgear. The glasses can be clearly seen in the film and on the movie poster.

Shop at Amazon ($259)
Shipped by Amazon - fast and easy returns

Shop at Randolph ($279)
Free shipping - Add prescription lenses

Different special editions, sizes, colors and temple styles are available at Randolph.

Randolph is an independent, authentic American eyewear brand since 1973. Randolph sunglasses, designed and handcrafted in Randolph, MA, can often be spotted in films and tv series.

Reference: Randolph Engineering Aviator, matte chrome, bayonet arms