You will need a size US 15 (10 mm) circular needle at least 56( 60, 64, 64, 64)“ 140(150, 160, 160, 160) cm
You will also need a set of double pointed needles in the same size.

Finished measurements:
Chest circumference: 47.75( 55.5, 63, 70.5, 75.5)“ 121.5( 141, 160, 179, 192) cm
Finished length: 27.5( 29.25, 30.75, 32, 32.25)” 70(74.5, 78, 81, 82) cm
Sleeve seam: 9.25( 10, 10, 10, 10)“ 23.5( 25.5, 25.5, 25.5, 25.5) cm

Yarn used:
Rowan Big Wool
A. 094 Melon - 3(3, 4, 4, 5) balls
B. 048 Linen - 5(6, 7, 8, 9) balls