woollen
adj. B2 Upper Intermediate US //ˈwʊɫən// UK //wˈʊlən// woollen
adj. made of wool, which is the soft hair from sheep or similar animals.
adj. made entirely or partly of wool. Typically used attributively before a noun to describe clothing or textiles.
She wore a thick woollen sweater to stay warm.
The local market is famous for its hand-knitted woollen blankets and winter accessories.
Traditional woollen garments remain popular in the highlands due to their natural insulation properties and ability to retain warmth even when damp.
Usage
Typically placed before the noun it modifies. In American English, the spelling is usually 'woolen' with one 'l'.
Pitfall
a woollen of sweatera woollen sweaterWoollen is an adjective and should modify the noun directly without 'of'.