Lang yarns Cashmere Premium knitting yarn, color 0197, is composed of 100% cashmere wool and is finer than the Cashmere Classic, knits on knitting needles 3.5 and 4.5 mm (US 4-7 / UK 7) for a gauge of 22 stitches and 34 rows.
A 25 gram ball contains about 115 meters (125 yd) so for quantities of yarn plan on:
375 g = 15 balls for men size M
300 g = 12 balls for women size M.
Hand wash with detergent for wool without fabric softener.