Sam Rockwell wears Randolph Engineering Aviator sunglasses in Three Billboards Outside Ebbing, Missouri (2017). 

The film features Sam Rockwell as a police officer Jason Dixon, a role for which Rockwell won an Oscar as Best Supporting Actor and a Golden Globe. The co-star of the film Woody Harrelson also wears Randolph sunglasses, but the Intruder model. 

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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.

Sam Rockwell also wears Randolph Engineering Aviator sunglasses in the movie Seven Psychopaths (also directed by Martin McDonagh) and in the movie The Best of Enemies.

Reference: Randolph Engineering Aviator, 23K Gold

Complete the look
Sam Rockwell also wears Casio MRW-200H-1BVEF watch with his police outfit throughout the film.