Amos, a sheep, is old and is tired of giving wool to Aunt Hattie every year. One year Aunt Hattie makes his wool into a sweater for Uncle Henry. Amos gets upset and finally succeeds in getting into the sweater to keep himself warm.
Big Bear, having outgrown his very favorite sweater, reluctantly passes it down to Little Bear, but when Little Bear gets the sweater wet and muddy, Big Bear gets angry and later regrets his behavior.
Yetsa spends several happy Saturdays helping wash, tease, and spin wool fleece into yarn which her grandmother, one of the Coast Salish people, then knits into wonderful, distinctive sweaters.