Lang Yarns Freya novelty knitting yarn, color 0003, is composed of 38% cotton, 32% nylon, 17% alpaca, 13% virgin wool and knits on knitting needles 4-4.5 mm (US 5-6 / UK 8-7) for a gauge of 21 st. and 31 rows.
In a 50g (1.75 oz) ball there are about 205 m (210 yds) so for quantities plan:
500g = 10 balls for Men size M
350g = 7 balls for Women size M
250g = 5 balls for Children 10 yrs
Machine wash 30°C (86°F) with gentle detergent for wool without fabric softener.