Vintage 1980s French Vest
By Jet, Made in France. 
Vintage 1980s vest, 100% cotton. 
Lovely thick quality, ribbed knit in white with stretch.
Brand new/ deadstock.
Also, currently available in navy blue, still in packet. 
Measurements
I estimate that this vest would best fit a modern S or M.
Labeled a vintage Men’s Size L. 
Pit to pit 15” (unstretched)
Shoulder to Hem 27”