שולחן ערוך אורח חיים · סימן ט״ז

English

The Measurement Of A טלית. Containing 1 Se'if The measurement of a טלית that is obligated in ציצית is [a garment] that covers, in length and width, the head and most of the body of a child who goes out by himself to the marketplace and doesn't need someone watching him. Rem"a: And then it is obligated in ציצית, and this [refers] specifically to when an adult would sometimes wear it in a temporary fashion to go out in it to the marketplace (Beit Yosef in the name of Ben Chaviv and in the name of Mahari"a).