Malabrigo Ultimate Sock elevates to a new level by adding 25% Nylon to the superwash merino that everyone already knows and loves. It is perfect to knit your lovely socks and make sure they will be resistant and durable at the same time. Ultimate Sock is a 4ply yarn and not just for socks, great for accessories, and light weight garments and shawls, each skein is 420 yards in length..