Waistcoat: 81cm 700g, 86-91cm 800g, 97-102cm 900g, 107cm 1kg. Based on 100g balls acrylic/ cotton blend. Tension 9st/12 rows to 20cm, 10mm needles. Suggested yarns Wendy Pampas, Sirdar Squiggle. 10mm and 8mm needles, cable needle.