Vintage 1970s soft knit deep navy blue crew neck size medium classic style vest

Vintage 1970s soft knit crew neck vest Holiday brand that is classic and in a super soft material in perfect condition. Flat lay measurement shows armpit to armpit of 18 inches & it measures 23 inches long. There is great stretch in this 100% acrylic vest. It would look gorgeous alone, under a jacket, over a long sleeve button front. Such a versatile piece! Preppy, academia, collegiate vibes