Matthew Poole and continuators on Exodus 25:4

4 And blue , and purple, and scarlet, and fine linnen , and goats hair .

Or, Skie-coloured, But here you must not understand the meer colours, which could not be offered, but some materials proper for the work and of the colours here mentioned, to wit, Wool, or Threds, or some such like things, as appears, from Heb. 9. 19. and from the testimony of the Jews.

Which was of great esteem in antient times, and used by Priests and great Officers of state. See Gen. 41. 42. Rev. 19. 8, 14.

Heb. Goats. But that their hair is understood is apparent from the nature of the thing, and from the use of the word in that sense, in other places.

Marginal references: Or, silk.