Cute vintage NEW OLD STOCK crew neck lightweight shell sweater  / top made of 100% knit polyester.   Made for Kmart in Hong Kong.   Zipper at the back neck.    Great mint green, pink and white stripes!   
Size on the tag reads 36, but please check the measurements carefully.   All measurements have been taken with the top laying flat, so may need to be doubled.  

Underarm to underarm - 18"
Shoulder to bottom hem - 24"