Lang Yarns Phoenix Tweed novelty knitting yarn is a yarn with an irregular texture composed of 93% extrafine merino wool, 7% nylon and knits on knitting needles 7 and 8 mm (US -11 / 2-) for a gauge of 9 stitches and 16 rows.
In a 100 gram (3.50 oz) ball there are about 270 meters (295 yd) so plan on:
400g = 4 balls for men size M
300g = 3 balls for women size M
200g = 2 balls for children 10 yrs.
Hand wash with detergent for wool without softener.