80’s California USA Yachting Sailing Olympic Collectable Pin lacoste cardigan but my best guess is

but my best guess is that the material is an acrylic blend (all of the vintage '80s Jaclyn Smith sweaters that I've seen are acrylic blends) The below approximate flat lay measurements indicate that this would best fit an XL

Length Adjustable up to 34"

the hygienic liner is still present and this suit has never been worn

Modern Size: 8

but feels to be cotton - the ivory/tan part is like a light canvas

80’s California USA Yachting Sailing Olympic Collectable Pin lacoste cardigan but my best guess isVintage Los Angeles LA California USA 1984 Olympic Collectable Pin Yachting Sailing Measures slightly less than 1" with pushpin closure.