A button down white seer sucker blouse with white check texture will go over so many of your summer pieces!  Wear it closed or open and over  a tee, tank or sleeveless dress.  It has a soft V neck, button front and short sleeves and is so great for hot days and for travel.  Fit is generous.  Go down one.
 
Cut Loose Collection Made in USA
64 viscose, 36 polyester
Cold water wash delicate cycle, hang to dry