Deut 22:11

22:11 cloth . . . wool and linen. Some suggest that such material would shrink unevenly and therefore not wash well. Others argue that through eating pure food (14:3–21) and not mixing their seeds (Deut. 22:9), their draft animals (22:10), or the materials of their garments, Israel was reminded that they were to be a pure people (7:2–5 and notes).