Fabric Used in Coats, an Anagram of a Bear Hat

Puzzle 14 of Famous Women in Science Hard Pack

Question is: Fabric Used in Coats, an Anagram of a Bear Hat

and the answer is: BARATHEA

Word Meaning:

BARATHEA — A soft fabric, made from various combinations of wool, silk and cotton, with a lightly ribbed surface.

Definitions from Wiktionary.