Q: What is the
ruling on selling shoes lined with duly-tanned pigskin?
It is impermissible to sell the shoes containing any pigskin component because this is Najasah `Ayniyyah (ritual impurity with discernable characteristics). Allah (Exalted be He) says:
Forbidden to you (for food) are: Al-Maitah (the dead animals - cattle - beast not slaughtered), blood, the flesh of swine
In fact, the prohibition extends to include all swine body organs including skin. However, prohibition of the flesh is specifically mentioned in the Ayah (Qur'anic verse) as it is the part most likely to be made use of. (Part No. 11; Page No. 56) May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.