German yarn manufacturer Opal has an amazing range of very colourful multi coloured sock yarn. With many different ranges to choose from here is my selection. All made in Germany
They all share the same yarn details
Composition: 75% virgin wool / 25% polyamide/nylon
Needle size: 2.5mm - 3.5mm or your preferred size for sock knitting
Weight: 100g
Meterage: 420m, 4ply
Tension: 2.5mm needles 30st/40 rows to 10cm square
Washing: can wash at 40 or less, however do not use fabric softener