Lightfoot in Charcoal from the Affinity Collection by Jessica Swift for Blend Fabrics. This is a quilting weight cotton fabric.
The fourth picture shows a quilt made using the freely downloadable pattern, "Affinity Footsteps," from Blend Fabrics. You can find the pattern at this link which requires Adobe Acrobat to download: http://www.blendfabrics.com/sites/blendfabrics.com/files/docs/Affinity_Footsteps.pdf