It's considered the world's most celebrated historic motor racing event.
And Hollywood star Jason Momoa donned his vintage best at day two of Goodwood Revival in West Sussex, England on Saturday.
The 42-year-old covered up his muscular frame in a period costume, consisting of a beige top with a mustard-hued plaid vest, mismatched trousers and riding boots.
Hollywood star: Jason Momoa (pictured), 42, donned his vintage best as he celebrated British motor racing at the historic Goodwood Revival festival in West Sussex, England on Saturday
Jason of Aquaman fame, added a brown leather belt, a beige paperboy cap and reflective sunglasses to the look.
His long mane was tied back off his face, drawing attention to a rugged beard.
Jason also showed off his array of arm tattoos as he posed for photos in front of an old-fashioned car.
Period costume: Posing in front of an old-fashioned car, Jason of Aquaman fame, wore a beige top with a mustard-hued plaid vest,