human
What is the difference between a fedora and a trilby?
assistant
A fedora is a hat with a narrow brim, usually made of felt or straw. A trilby is a hat with a wide brim, usually made of felt or straw. The main difference between a fedora and a trilby is that a fedora has a more narrow brim than a trilby, and a trilby has a wider brim than a fedora.