REGIA PREMIUM Pure - 100% merino wool for everyone who doesn’t want to miss out on 100% natural socks. In order to achieve high durability while retaining maximum softness, the yarn construction was optimally tailored to the Merino fiber. The result is a beautiful, voluminous sock yarn with an even stitch pattern and natural elasticity, which makes knitting itself a pure pleasure. The yarn is machine washable, but should not be tumble dried.