CoBaSi by HiKoo
HiKoo CoBaSi yarn is the wool-free sock yarn you have been looking for. This fingering weight yarn is made from a blend of cotton, bamboo, and silk, with a generous helping elastic nylon. Not only is CoBaSi yarn a perfect choice for all your wool adverse friends, it is also ideal for creating warm winter socks. The sizing of each hank makes CoBasi yarn a great choice for color work! The robust blend of fibers and the ability to be machine washed means easy care, so knit or crochet for all ages without worry!
Pattern Ideas

Entwinement Socks
The Chilly Dog

Dragonfly's Path
Jennifer Weissman

Strawberry Pie Socks
Belinda Creech & Kyle Kunnecke

Crab Walk Socks
The Chilly Dog

Ridgely by Michelle Hunter

Tom and Ethel Socks by Nigel Pottle