Vintage 80s chunky knit sweater

Creamy white chunky ribbed knit high neck sweater with pastel pink blueish grey & tan brown geometric diamond stripe pattern, by Impromptu. Vintage 1980s, traditional Norwegian Scandinavian pattern, soft 100% acrylic, the elastic at the cuffs and hemline is no longer tight (last photo), otherwise EVC, Oversized M, Pit-22, Sleeve-23, Length-25.