Rag and Bone sheath dress size 2

Contemporary sheath dress from Rag and Bone. Worn about 3 times to work. No longer fits dress code. Fully lined. Thick wool and ploy blend with leather trim detail on back. Zip closure. Very striking neckline when worn. Small mark on front as shown in picture, looks like a flaw in fabric. Fits like a size small, more like a 4.