Lang Yarns Omega + knitting yarn, color 0067, is a yarn composed of microfibers, 50% acrylic and 50% nylon, which knits with knitting needles 5-5.5 mm US 7-8 / UK 6-5) for a gauge of 17 st. and 24 rows.
In a 50g (1.75 oz) ball there are about 75 m (82 yd) so allow:
700g = 14 balls for men size M
550g = 11 balls for women size M
400g = 8 balls for children 10 yrs
Machine wash at 30°C (86°F) with a detergent for wool without softener.