If you want to try colourwork and are looking for a rewarding project, this might be just right!
For this top down, seamless version, you start with the neck ribbing and yoke. If you want to work the recommended slit (recommended for comfort), work some RS and WS rows before joining them to continue in rounds. When the yoke is finished, body and sleeves are worked seperately, in the round,with some increased stiches under arms and later some decreases for the sleeve shaping. Finally, a short button band is worked alongside the slit.
If you use Ecopuno Tweed, you will need 2/1/1 balls for the two smaller and 3/1/1 balls for the two larger sizes.