TWIN SOXX by LANG YARNS, for matching self-striping socks, in 6-ply.
150g ball of worsted wool/nylon sock yarn (390m).
You begin the first sock with the yarn from the inside of the ball. After about 200m you will find a length of unprinted yarn - cut this away - then the colour repeat begins again so you can knit the second sock to match the first.

Fibre content: 75% new wool (superwash), 25% nylon
Ball size: 150g = 390 m
Needle size: 3–4mm
Tension: 22 sts x 26 rows = 10 x 10 cm (4")
Care: machine washable at 40 degrees