This top is in excellent gently worn condition with no flaws. Size 1 in Sen is about a size 4-6 or a small (the model in the photos is wearing a size 1). Armpit to armpit: about 30 inches across (oversized to have the draped effect). Length from shoulder to hem: about 23” in the front and 31” in the back. Smoke free home. Same or next day shipping!