Rowan Chunky Jacket

After churning out scarves like mad, I wanted to make something slightly more complicated. It's been a long time since I knit a "real" sweater so in the end I chose Rowan Big Wool (guess in what color?). I figured at 15mm, how can I go wrong?

Source: Rowan Big Wool: Suzy
Yarn: Rowan Big Wool, 6 skeins, 15mm
For: Moi