Vintage Jet Set 1980’s Purple Women’s Sweater Size Small

This is a vintage, Jet Set brand 1980’s sweater. It’s in excellent condition and comes from a clean, smoke-free home. It’s label says it’s a size medium 10-12 however I think by today’s standards it’s more of a size small and the approximate measurements are as follows: Pit to pit 22” Neck to hem 25”