Lang Yarns Respect knitting yarn from the Wool Addicts Collection is composed of 42% merino wool, 30% baby alpaca, 28% nylon, knits on knitting needles 5 mm (US 8 / UK 6) with a gauge of 19 st. and 26 rows.
There are about 140 m (153 yd) in a 50g (1.75 oz) ball so for quantities of yarn plan on:
450g = 9 balls for men size M
350g = 7 balls for women size M
250g = 5 balls for children 10 yrs
Hand wash with detergent for wool without fabric softener.