Yes, and there are nearly 400 commercially-available yarns which combine yak and silk, of which 76 are blends of yak and silk only. The usual fibre to which they are added is (sheep) wool, where proportions can be as little as little as 5%. In yak-silk blends, the proportions are generally 50:50, or 55:45.
Yarn weights vary from Thread, such as Treenway Silks’ Silken Fog (1,527 m per 100g), to Worsted (slightly thinner than Aran weight yarn), such as Lotus Yarns’ Cathay 4 Streak (165 m per 50g).
Originally posted on Quora.
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