Received this blouse to wear for the holidays and was not disappointed. the design of the shirt is to be relaxed and flowing. i usually wear a medium which is what i ordered. the shirt fit fine but i probably could of managed with a small if i did not want it as relaxed. so if you are between sizes, you might want to size down. if i did order a small, the sleeves might of been a tad short since i have longer arms. the shirt is sheer, so you will need a cami underneath. i wore a black one which w