You will need

Long Sleeved Jacket
32/34in Chest - 8 Balls
36/38in Chest - 9 Balls
40/42in Chest - 10 Balls
44/46in Chest - 11 Balls
48/50in Chest - 13 Balls
52/54in Chest - 14 Balls

Sleeveless Jacket
32/34in Chest - 6 Balls
36/38in Chest - 7 Balls
40/42in Chest - 8 Balls
44/46in Chest - 9 Balls
48/50in Chest - 10 Balls
52/54in Chest - 11 Balls

3.25mm and 4mm Needles
1 Button