The Shulchan Aruch · Yoreh De'ah
יורה דעה ש״דYoreh De'ah 304
Siman 304 of 402 in Yoreh De'ah — 1 se'if
הלכות כלאי בגדיםInterspecies Mingling of Clothing· siman 304
Se’if 1א׳
כִּלְאֵי בְּגָדִים מֻתָּר לַעֲשׂוֹתָם וּלְקַיְּמָם, וְאֵינָם אֲסוּרִים אֶלָּא בִּלְבִישָׁה.
Kilayim (the forbidden mixture of wool and linen) of garments — it is permitted to make them and to keep them, and they are forbidden only in the wearing.
Shulchan Aruch, Yoreh De'ah — Torat Emet 357 edition, via Sefaria — public domain
English rendered from the Hebrew for this app — The Gematria's own rendering program. A rendering of the words, not a ruling; practical halacha is learned with a rav