Lang Yarns Duke heather wool knitting yarn is composed of 65% virgin wool, 20% alpaca, 15% silk, knits on knitting needles 8 mm (US 11 / UK 0) for a gauge of 12 st. and 17 rows.
A 50g (1.75 oz) ball contains about 75 m (82 yd). For quantities of yarn plan on:
700g = 14 balls for men size M
500g = 10 balls for women size M
300g = 6 balls for children 10 yrs
Hand wash with detergent for wool without fabric softener.