Q 1: What is the ruling on women wearing a brassiere?

A: Wearing a brassiere defines women's breasts and makes them a source of Finah (temptation), and as such, they are not permitted to wear them in front of non-Mahram (not a spouse or an unmarriageable relative) men. (Part No. 17; Page No. 108) May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.