This classic silk blouse has a bit of stretch for a more forgiving fit and additional versatility. Perfect for work meetings, or stepping out to brunch. Plus, silk fiber contains 18 kinds of amino acids that make it amazing for skin nourishment, hypo-allergenic, and naturally thermoregulating to help maintain body temperature. 90% Mulberry Silk 10% Spandex Size M One very tiny mark near right collar, likely removable with cleaning agent. See photo.