Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:4123Abū al-ʿAbbās > Yaḥyá b. Abū Ṭālib > ʿAbd al-Wahhāb b. ʿAṭāʾ > Hishām > Ibn Ḥassān > ʿIkrimah > Ibn ʿAbbās Suʾil

[Machine] About a woman who experiences menstruation in her garment, and thus has her days of menstruation. Should she pray in it? He said, yes, as long as there is no blood in it. Similarly, a person in a state of ritual impurity sweats on his clothes, so he prays in them.  

البيهقي:٤١٢٣وَأنبأ أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو سَعِيدِ بْنُ أَبِي عَمْرٍو قَالَا ثنا أَبُو الْعَبَّاسِ ثنا يَحْيَى بْنُ أَبِي طَالِبٍ أنبأ عَبْدُ الْوَهَّابِ بْنُ عَطَاءٍ أنبأ هِشَامٌ هُوَ ابْنُ حَسَّانَ عَنْ عِكْرِمَةَ أَنَّ ابْنَ عَبَّاسٍ سُئِلَ

عَنِ الْمَرْأَةِ تَحِيضُ فِي دِرْعِهَا فَيَكُونُ عَلَيْهَا أَيَّامَ حَيْضَتِهَا فَتَعْرَقُ فِيهِ أَتُصَلِّي فِيهِ؟ قَالَ نَعَمْ مَا لَمْ يَكُنْ فِيهِ دَمٌ وَكَذَلِكَ الْجُنُبُ يَعْرَقُ فِي ثَوْبِهِ فَيُصَلِّي فِيهِ