his two-piece outfit comes with a sleek and sophisticated solid color design, making it easy to match. The high neck sleeveless vest provides a touch of elegance for any season, while the high waist design highlights curves and creates a flattering shape. Viscose/Polyamide/Polyester/Elastane Size Info: US Size Range. Small 0-4, Medium 6-8, Large 10-12, XL 14-16, 2X 18-20. See size chart for approximate measurement