What is the typical Sherlock Holmes cap called?

What is the typical Sherlock Holmes cap called?

What is the typical Sherlock Holmes cap called?

• Ushanka
• Cowboy Hat
• Deerstalker
• None

ANSWER 

      (3)

• Deerstalker

source https://sportsnewsstar.blogspot.com/2021/09/what-is-typical-sherlock-holmes-cap.html