The cast of Stranger Things may look effortless in their looks, but so much attention goes into the actors' tresses and outfits, thanks to costume designer Amy Parris and hair director Sarah Hindsgaul. The duo exclusively opened up to Us Weekly about the thought process - and hidden details - that went into the characters, and even debunked some rumors ahead of the show's Volume 2 episode release on Thursday, December 25. "I think the hardest [look to design] for me in season five was Max in that cave," Parris told Us. "The cave look was a mix of a lot of different pieces that she's found.