Stranger threads.

Amy Parris, who designed the costumes of “Stranger Things” in the final three seasons, said she knew Eleven’s look for the fifth and final season would get a “reaction.”

“It’s funny, because I’ve been starting to get comments from people that are like, ‘Shorts over sweats?’ And I’m like, it was absolutely a thing in the ‘80s! I knew this would be the reaction,” Parris exclusively told The Post.

Created by the Duffer brothers, the Netflix mega-hit premiered in 2016, and will end after nearly a decade with Season 5, which debuts on Nov. 26. The sci-fi show has followed characters living in Hawkins, Indiana in the ‘80s, as they deal with monsters from the sinister “Upside Down” dimension.

Among others, the group includes Eleven (Millie Bobby Brown), Joyce (Winona Rider

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