Lang Yarns Gordon knitting yarn, very scottish with tartan colors, is composed of 92% virgin wool, 8% cashmere and knits on knitting needles 4 mm (US 6 / UK 8) for a gauge of 20 st. and 31 rows.
In a 50g (1.75 oz) ball there are about 190 m (207 yd) so allow:
450g = 9 balls for men size M
300g = 6 balls for women size M
250g = 5 balls for children 10 yrs
Hand wash with detergent for wool without fabric softener.