Required: 300g - 400g - 400g of 12 ply yarn. It can be made up of any double knitting yarn (8 ply) and any 4 ply yarn - the 2 strands are used together so you will be knitting with 12 ply. You can use any combination of weights so long as they add up to 12 ply.
Needles: Metric 6mm
Instructions are for a 32 inch chest
Tension: 4 stitches = 1 inch
To fit: 32 - 34 - 36 inch chest