Tips for Choosing Sock Knitting Yarns With the ideal sock knitting yarn the process becomes easier, the project done faster and you enjoy what you create. Most sock makers, want a yarn that is super stretchy, super flexible yet durable. A blend of superwash merino wool plus acrylic is simply the best combination out there. Visit: https://www.zupyak.com/p/3746517/t/tips-for-choosing-sock-knitting-yarns