1970s Blue Sweatshirt with Underarm Gussets, Size Small/Medium, Crewneck Pullover

Description - Thin blue crewneck sweatshirt from the 70s with underarm gussets 

Details

Brand - Unknown, tag was cut out

Size - approximately a modern boxy Small/Medium but please check all measurements to ensure fit

Chest - 21" pit to pit 

Length - 21.25"

Sleeves - 25.25"

Condition - There is a fabric flaw on one of the underarm gussets