New silk blouse. Crafted from 90% mulberry silk for luxe feel, and 10% spandex for a little stretch • 19mm weight for a premium drape and hand-feel • This material is certified by OEKO-TEX Standard A luxe update to your regular blouse rotation, our Washable Stretch Silk Short Sleeve Notch Collar Blouse takes everything you love about our iconic Washable Stretch Silk Notch Collar Blouse and gives it a short-sleeved refresh. It's the same lustrous sheen, beautiful drape, and supreme softness you love, and, as always, it's washable.