Regia 4-Fadig Color - 4 Ply Sock Coloured 100gm 05030 Sylt Color Regia Color - get creative with Regia Color. This range has everything from self-patterning effects in many variations to colour mixes with short pattern repeats. The classic and renowned sock yarn from Regia comes in 100g balls. One ball is enough to kni 75% Wool, 25% Nylon 420m/459yds per 100g ball 2 - 3.0mm (UK11-14, US0-2.5) 30 sts x 42 rows per 10cm