This cotton/polyester mix color block dress is tooo cute and appropriate for Spring and Summer. It can also be worn as a dress or a kimono over a casual outfit. Sizes are as follows: Medium (size 6 and under), Large (sizes 6-8), and XL (sizes 10/12). Sizes are based upon the ability to button up as a dress. The model is 5”7 and is wearing a size XL.