Bluefaced Leicester wool is a great choice for hand knit socks due to its strength, durability, springiness, and softness.
Whimsical Sock base made of:  80% Superwash Bluefaced Leicester / 20% Nylon, 2 ply fingering weight, Approximately 400 yards / 100 grams

Whimsical Sock is available Dyed to Order in most colorways and is Ready to Ship in the colorways shown below.