You will need circular needles size 3mm/US3 in both 40 cm (16’) and 80 cm (29-32)“ to finish.

Gauge in fisherman’s rib is 17 sts and 52 rows to 10cm /4”.
Gauge in 2 color slip-stitch pattern is 22 sts and 48 rows to 10cm /4”.

Finished measurements:
Body Circumference: 96(104, 112, 120, 128) cm 38(41, 44, 47 ,50)“
Length: 62 cm (24.5)”
Sleeve length to underarm: 60cm (23.5)“