Combo mock neck strap dress

Combo beige mock neck long sleeve with black wide strap fitted pencil skirt. Stretchy. Unlined although label says there’s a lining. Size XS. See pic for material. I think Shell 1 is the black dress portion. Approx 36in length, 13.5in shoulder seam to seam, 22in sleeve length, 14.5in pit to pit, 12.75in width waist unstretched, 14in shoulder to waist.