Torrid Midi Challis Surplice Skater Dress. Black with Violet, purple and fuchsia pink flowers with green and white leaves. Elastic waist, lace cross, front top, and adjustable spaghetti straps. Small floral bouquets add a pop of color to a soft, figure-flattering midi dress that drapes beautifully and has all-day appeal. Challis fabric Surplice neck Smocked back panel Stretch waist Lace trim Lined CONTENT + CARE Rayon; lining: polyester Wash cold; line dry Tag size 3, which in towards proprietary sizing is roughly equivalent to a US size 3X. Laying flat measures 23 inches shoulder to him, 19 inches across the elastic waist and 41 inches shoulder to ham as the adjustable straps are set.