Very airy and light cotton. The only problem for me is that the neck is a bit large (it's a Small already), so I will have to fix that, but it's a great sundress and I love the texture, feel and the lovely blues.
I am very happy with this blouse. It is well made; looks classy with a skirt or jeans. The colors are rich. The picture does no justice to how beautiful it really is. I see a Spring colored one of the same make and will definitely order it. I am small built with a 38 bust line and have problems with blouses that aren't too tight. This blouse fits great, size M. Would HIGHLY recommend.