This brand new outfit from The Fifth called Modern Love comes as a top and a bottom, so you can wear together or mix and match!. The top has an open back with a tie back. The main material is 96% polyester, 4% elastene. The lining is 100% polyester, so it is light weight and breezy. Both can be purchased at Neverland Store. Neverland has all the latest womens street wear and festival wear, as well as surf clothes.
Check out this Finders Keepers playsuit called Move on Up, also from Neverland Store:
It zips up the back, and is made of polyester, so it is light and comfy. The print is Moroccan Light, and very trendy. You can also buy the short in the same pattern, if you want to mix it up.