Regia 4-ply UniRegia 4 ply Uni is a versatile and dependable sock yarn developed with a focus on fit and longevity. The yarn is made from 75% new wool and 25% polyamide, giving you the perfect balance between warmth, comfort, and durability. The four strands are spun together with precision and care to give you a light, but robust yarn quality ideal for socks, and also great for accessories and finer projects. In addition, the wool is mulesing free, meaning it comes