1980s-90s lavender geometric pastel sweater - large

I love a geometric design, and these pastel colors are neat! What might appear light gray is actually a pale lavender-gray. The labels are missing. It feels like acrylic yarn to me. I made a repair to the seam on the shoulder (see photo) Women’s Size: large Shoulders: 27 inches Pit-to-pit: 24 in Sleeve (from shoulder seam to cuff edge): 19 in Length: 23 in