I think they look very comfortable.
Personally, I’d much rather wear a straw hat on a hot summer day.
But I wear a sheitel.
Which is a whole different story.
(And not particularly comfortable either.)
Dial4, I am not on a farm.
I’m pretty sure straw hats are made of straw or hemp (a fiber similar to linen).
Was your father a magician? Did he wear a top hat? I think top hats are silk.