Purchased this beautiful midweight linen tunic on Poshmark and meant to get a OS but this is a OSM or one size minus which is extra small - it’s oversized by design but the arms are a little snug for me :) this top is in excellent condition. I tried it on only. Have hand washed in cold and air dried. It came to me in pristine condition. I don’t think it’s been worn much at all. Am buying a S/M from ES instead because I love this style. Hope this one can find a good home! Oh, this is Signature Generation 4.