You will need stitch holders.

Finished measurements:
Chest circumference: 25.25( 26, 27.5, 28.25, 29.25)“ 64( 66, 70, 72, 74) cm
Finished length: 16.5( 17.25, 18, 19, 19.75)” 42( 44, 46, 48, 50) cm
Sleeve length: 28( 30, 32, 34, 36)“ 11( 11.75, 12.5, 13.5, 14)”

Yarn used:
Sirdar
Snuggly Replay
A. Quiet Violet - 1 ball for all sizes
B. 100 Whizz Kid WHite - 2( 2, 2, 3, 3) balls
C. 130 Hide-Out Green - 2(2, 2, 2, 3) balls