Agent Provocateur Addey swim cover-up Grey 100% silk Size 4 in Agent Provocateur’s sizing of 1-4. Generally I say that 1 equates to XS, and 4 to Large. In this case, UK 12 is also on the tag, which is a US 8. I am listing this as a US 8. NWT, tried on but never actually worn Grey slinky fabric. Very soft, very sexy My photos of the actual dress are more grey than the purpley stock photos. It is actually a silvery grey with a hint of purple Front keyhole neckline Halter top (bare back) Mini length skirt with gathered fabric that ties in a knot in the front. Please examine photos and video carefully.