Never been worn Skims waist trainer in size XS.Support level: Extra StrongThis hourglass waist trainer from SKIMS sculpts perfectly to accentuate your body’s natural curves. This seamless sculpt waist trainer is a wardrobe essential for shaping your waist, and helping you achieve your ideal silhouette.Designed from ultra-thin, high-tech neoprene that’s soft to the touch and undetectable under just about everything.