SKIMS Ribbed Soft Lounge Long Slip Dress in Black Foil (shimmer). Size L. The dress that the “internet is obsessed with”, in the SKIMS signature modal rib fabric, full-length silhouette with a flattering straight neckline, adjustable thin straps, and body hugging in the silkiest fabric. The “foil” on the fabric provides a beautiful shimmer. No lining and no padding/bra. SKIMS Ribbed Soft Lounge Long Slip Dress in Black Foil (shimmer). Size L Worn once and in great condition with no stains or snags. Given the generous amount of stretch in the fabric, I’m not providing flat measurements. Please see the last photo of the size chart (from SKIMS website).