Size: S=US 4-6, M=US 8-10, L=US 12-14, XL=US 16-18, XXL=US 20. Womens 2 piece set is made of 100% cotton. Soft and skin-friendly, moisture-wicking and breathable, suitable for all-day wear. Please note that the size of this set runs small, you can purchase a size up. Features: 2 piece sets for women, sleeveless two piece set for women, button down vest for women, shorts with pockets, womens linen set, casual set for women, summer set for women, vacation outfits for women, V neck vest waistcoat, loose fit, tops and shorts matching set, 2 piece sets for women dressy Design: Womens sleeveless vest tops is designed with just right deep v neck, unique functional but irregular designed buttons, adding uniquenedd and boldness to this matching set. The summer shorts feature comfortable elastic back waist and practical two side pockets. Simple and complete design, easy to match: unified color and texture for the upper and lower parts of this shorts set for women, with a complete look right out of the box; V-neck vest+elastic waisted shorts, classic and versatile, neat for both home and outdoor use. Occasion: 2 piece outfit for women can be worn as a separate top or layered as part of a blazer to meet your different wearing needs, from formal dressy to off-duty casual/ vacation sets for women/ beach set/ brunch outfits for women/ cruise wear/ business outfits for women/ club outfits. 2 piece sets