At 5’4” 149 lbs, I originally purchased this as a size medium. It was a little snug and not loose or off the shoulder like the photo. The seller gave me the option to return or keep and receive partial credit. I reread the size chart for this item and ordered a size large. Fits perfectly like the image. The fabric is breathable. Looking forward to wearing this on my flight with a jean jacket. You can really dress it up or down. I will be donating the medium to a friend! The only thing I would comment on is