This is a really cool quilt by Bonnie from the Kaffe Fassett book Quilts in the Sun.
The center squares are prints by Kaffe Fassett. The surrounding fabric is called Shot Cotton. Its a combination of two color threads. I took a close up photo below to show the detail of the weave. Its a very pretty fabric & very soft. The quilt back is pieced with solid and print. Enjoy the photos!