A thin, twilled woolen fabric used for linings.
Shalloon is a type of fabric that is thin and often used for linings in clothes.
Examples:
The shalloon is used for the inside of the coat.
I need some shalloon for my dress.
She sewed the shalloon into the jacket.
The shalloon is soft and warm.
The queen's dress was made of the finest shalloon.
I like the shalloon because it feels nice.