You will need stitch holders and 6 buttons.

Finished measurements
Chest circumference: 40( 44, 48.25, 52.5, 55.75, 59.75, 64, 68.25, 71.5)“ 101.5( 112, 122.5, 133.5, 141.5, 152, 162.5, 173.5, 181.5) cm
Finished length: 29.75( 30.5, 31.25, 32, 32.75, 33.75, 34, 34.75, 35.25)” 75.5(77.5, 79.5, 81.5, 83.5, 85.5, 86.5, 88.5, 89.5) cm
Sleeve seam:15.25( 15.5, 15.5, 16, 16, 16, 16, 16, 16.25)“ 38.5( 39.5, 39.5, 40.5, 40.5, 40.5, 40.5, 40.5, 41) cm

Yarn used:
Rowan Brushed Fleece
Shade 263 Cairn - 11( 12, 13, 15, 16, 17, 18, 19, 20) balls