Why is shatnez (a garment made of a mixture of wool and linen, which is forbidden) muter (permissible) by tzitzis?

  • 4
    This question could be improved if you'd put in some information about where you got the idea that it is, in fact, permitted.
    – Isaac Moses
    Commented Nov 21, 2010 at 4:30

2 Answers 2


In short: The Torah says in Devarim 22: 11 - 12:

You shall not wear a mixture of wool and linen together. You shall make yourself twisted threads, on the four corners of your garment with which you cover yourself.

We learn from this juxtaposition of pesukim that one can even make Tzitzis in a case of Shaatnez.

(from here)


See Menachos 39b-40a. Shaatnez is allowed for tzitzit by Torah law, at least in some cases (in the presence of techeiles, it's complicated, see 40a Tosefos d"h כיון), for the reason given by yydl from the gemara in Yevamos 4a. However, the gemara there in Menachos says that you are not allowed to do it in practice, a Rabbinical enactment for one of several reasons given there - [we're not sure it's real techeiles dye, one might do it with a thread that wasn't attached with the proper intention, one might come to wear it at night when there is no mitzvah] - where the mitzvah is not fulfilled, in which case there would again be a prohibition of Shaatnez.

  • I'm not sure what this adds to the question already posted. You mention a rabbinic addiction but that has no bearing on why it's permitted.
    – robev
    Commented Jun 8, 2021 at 7:20
  • Well, I was just mentioning that it isn't. Didn't seem like the poster knew that.
    – MichoelR
    Commented Jun 9, 2021 at 3:14
  • If it's only rabbinic then the question is still valid and this is more of a comment
    – robev
    Commented Jun 9, 2021 at 5:27
  • The question can be valid, given certain assumptions. Note that he used the word permitted both in the title and the text. A simple addition of "by Torah law" would fix it.
    – MichoelR
    Commented Jun 10, 2021 at 4:05

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