Schachenmayr Regia Pairfect 4-ply. The colourful sock wool from Regia made from four twisted individual threads results in the ideal yarn thickness for hand-knitted socks. The hand knitting yarn is dimensionally stable, very durable and felt-free. Many different types of socks such as socks, normal socks or knee socks can be knitted from one ball of Regia sock wool. Product details: high-quality, dimensionally stable and extremely durable sock wool, needle size: 2-3 mm, length: 420, 100 g, mesh sample (10 x 10 cm): 30 m x 42 R, average consumption: socks up to size 46 = 100 g. About Schachenmayr Regia. Ssince 1. 822 Schachenmayr stands for creative and innovative designs and inspires different generations. The high-quality hand knitting yarns in a wide range of products allow people around the world to implement their creative ideas. The yarns with high quality standards offer a wide variety of designs for the whole family. Regia is the sock expert for all sock yarns in all situations, for every target group, whether sock knitting beginners or experts.