I am using Elsebeth Lavold's Silky Wool in color 140 Rose Madder. It is wool, silk, and nylon, but it has the feel of worn cotton to me. There is little bits of white in the yarn and an occasional tiny VM or pasture grass.
Please view my web store at: http://www.custercottage.com
And my Etsy shop at https://www.etsy.com/shop/CusterCottage
I hope you had a good weekend! Dawnie