Cardigan and sweater: 81cm 4 balls, 86-91cm 5 balls, 97-102cm 6 balls, 107-112cm 7 balls. 100g balls bamboo cotton blend.
Tension 22sts/30rows over 10cm, 4mm needles. Suggested yarn King Cole Cotton Bamboo DK. 3.25 and 4mm needles, 3.25mm circular.