Durable SOQS is a yarn with 75% Wool and 25% Polyamide which makes it soft and strong at the same time. It is ideal for knitting socks, but also for many other projects such as sweaters and accessories.
For a pair of socks you only need 2 balls, 100g. For a T40 sweater it is 500gr.
The patterns for these projects can be found at www.durableyarn.com