Washable stretch silk pleated back blouse by Quince (SF based clothing store) New without tag, excellent condition. forest green, medium size. button down front, hidden front buttons, 3/4 sleeve with button closure at each sleeve. 90% silk, 10% spandex from their website: "Collarless cool is here. You know we love our washable silk, so we made another style of blouse with a little stretch for the perfect fit. This one has a collarless, 3/4 sleeve look with pintucked pleats at the back of the neck for a little something extra. 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." retails online for $69.95, asking $30 with free shipping, open to offers.