Lang Yarns Norma knitting yarn, color 0097, is a knitting yarn composed of 55% cotton, 35% modal, 10% viscose and knits on knitting needles 4-4.5 mm (US 5-6 / UK 8-7) for a gauge of 23 st. and 33 rows.
There are about 135 m (147 yds) in a 50g (1.75 oz) ball so allow:
700g = 14 balls for Men size M
550g = 11 balls for Women size M
400g = 8 balls for Children 10 yrs
Machine washable at 30°C (86°F) with detergent for wool textiles without softener, iron on low.