Reformation Chianti Banks Knit Dress Size Large Brand new with tags. So gorgeous! This dress is very stretchy, could fit someone who wears a medium or large. The details Sweetheart neckline, side slit. Cotton Sweater Rib is a medium weight, stretchy sweater ribbed knit with a soft handfeel - 45% TENCEL™ Lyocell, 45% Organic Cotton, 10% Spandex. Machine wash cold, do not bleach, tumble dry low, do not iron, do not dry clean.