The lighter color coat is a stretch satin and the dark a linen. I think it could be nice in a very lightweight wool or wool/silk mix. I would consider the pictured fabric from Fashion Fabric Club, described as "Solid Aqua Blue Jacket Weight Coating Fabric Suitable for Coats 80% Wool 20% Linen 60" Wide" of the teal "Solid Turquoise Jacket Weight Wool Coating Fabric Suitable for Jackets & Light Weight Coats 100% Wool 54" Wide"
Secondly, I'm thinking about this one from the Fall/Winter 07/08 Burda Plus. It has overcast seams and from the directions, I think they are talking about flat-felled seams. It is hard to tell, which may or may not cause difficulties. It is made from double-faced wool, which may be a bit warm for what I want. I suppose I could use the pattern and make a lining and not use double face. I did see some wool on Fabricmart that was double-faced black and aqua, which I thought would be nice, but . . . only 2 yards left! So that is out