Hard-Finished Fabric With a Twill Weave
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2177, Puzzle 1 (Niagara Falls Tunnels).
Question is: Hard-Finished Fabric With a Twill Weave
and the answer is: GABARDINE
Word Meaning:
GABARDINE — (uncountable, countable) A type of woolen cloth with a diagonal ribbed texture on one side.
Definitions from Wiktionary.