You will need a stitch holder.

Gauge varies by motif - basic granny square motif measures 6 pattern repeats and 11 rows to 4” (10 cm)

Finished measurements:
Chest circumference: 28( 32, 36, 39.75, 43.75, 47.75, 51.5)“ 71( 81, 91, 101, 111, 121, 131) cm
Finished length: 55.25” (140 cm) for all sizes

Yarn used:
Sirdar Stories
Shade 842 Slay - 13( 14, 14, 15, 16, 17, 17) balls