6 ply Sock Base is 75%  SW wool,  25% nylon, 265m/100g. This is a DK weight sock yarn. Available as a 100g hank (shown) or on the cone by the kg.

Pricing is by 500g package. Each pack has 5 x 100g skeins. Also available by the kg ($55/kg), on the cone or made up into 150g hanks.