I have done these socks once before in these same two colors.
I find myself enjoying this pattern and I am seriously thinking of making another pair for me but in a different color. It took me one day to make them. Not eve one day, maybe several hours.
Pattern: Step by Step Socks (Ravelry link)
Yarn used: Olja by Teteks (30%Wool) and Test Yarn by Teteks
Crochet Hook: No2 and No.2,5