You will need a cable needle.

You will need 4(4, 4, 4, 4, 5, 5) buttons, approximately 5/8” - 3/4” (17 mm)

Finished measurements
Chest circumference: 32.25( 36.25, 40, 44, 48, 52, 56)“ 82( 92, 102, 112, 122, 132, 142) cm
Finished length: 19.75( 20.5, 21.25, 22, 22.75, 22.75, 24.5)” 50( 52, 54, 56, 58, 60, 62) cm

Yarn used:
Sirdar Loveful Recycled Tweed
Shade 200 Birch - 2(3, 3 ,3, 4, 4, 4) ballls