You will need 4(4, 4, 5, 5, 5, 5) buttons, approximately 1” (25 mm).

Finished measurements:
Chest circumference: 38.5( 43, 46, 50.5, 54.25, 58, 61.75)“ 98( 109, 117, 128, 138, 147, 154) cm
Finished length: 19.75( 20, 21, 21.75, 22.5, 23.25, 23.75)” 50( 51, 53, 55, 57, 59, 60) cm
Sleeve length: 16.5( 17, 17, 17.25, 17.25, 17.25, 17.75)“ 42( 43, 43, 44, 44, 44, 45) cm

Yarn used:
Sirdar Loveful 100% Recycled Acrylic DK
Shade 18 Peat - 5(5, 6, 6, 7, 7, 8) balls