Regia Silk sock knitting yarn is a luxuriously soft silk blend sock yarn available in a great range of self-patterning and solid colours. It’s not just supersoft but also practical being a machine washable and available in self-patterning colourways and solid colours. Regia Silk sock knitting yarns are are a 4 ply equivalent sock yarn made from a blend of 55% wool with 25% nylon, 20% silk in 50g, 200m balls. 2 balls of Regia Silk will make a pair of socks for an average adult. Suggested needle size 2.5mm.