Fiber: 75% Wool 25% Nylon? Weight: 100g Yardage: 437yds Needle size: US 3 Gauge: 28sts x 36rows per 4" Care: Machine Wash Signature 4ply from West Yorkshire Spinners is multi-color blend of 75% wool 25% nylon. The wool content contains 35% luxurious Bluefaced Leicester. Available in beautiful self-striping colors, this washable yarn is perfect for socks or accessories. It is reared, sheared and spun in Britain.