Winter Moon 8ply sock yarn by Opal is an aran weight yarn. It is self patterning and comes in some interesting colourways and is perfect for thick socks.
75% superwash wool, 25% polyamide. Machine washable.
Length: 320m/350 yards
Needle size: 4-5mm (UK8-6/US6-8)
Tension: 28 stitches and 20 rows to 10cm/4in square