I think this might be one of the first commercial sock yarns to feature a long gradient. Froehlich Wolle is a Swiss made wool/nylon fingering weight yarn, great for socks. Each skein includes a small skein of mending yarn. Colors are terra cotta, brown and taupe.
80% wool, 20% nylon
Color 7282; lot 1097
50 gr/225yds | 8 sts/inch on US2 needles