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.
Fits true to size. I hand-washed the first time and saw no extra dye. This is a lovely set - Cotton Pajama Set with Chevron and Boho-Inspired Prints, "Moroccan Blue"