Lululemon Pack Light 1/2 Zip Pullover Jacket- Black Size 4 Lightweight Packable. Inside jacket has hidden drawstring bag,  Vented fabric, hooded, elastic sleeve cuff and hem, hooded and front pockets. Great pre-owned condition. A few string pulls on bottom front, no rips or stains.

Approximate Measurements laying flat:

18.5" armpit to armpit

24.5" top of shoulder to front bottom hem