Abdullah bin Uthman bin Khuthaym said: I asked Sa'id bin Jubayr, may Allah have mercy on him: If a person in a state of major ritual impurity (junub) sweats and wipes the sweat with a cloth, he said: There is no harm in it.
Hadith Referenceسنن دارمي / من كتاب الطهارة / 1058
Hadith Takhrijاس قول کی سند صحیح ہے۔ دیکھئے: [مصنف ابن أبى شيبه 191/1] ۔ نیز عبدالوہاب: ابن عبدالمجید ہیں۔
Brief Explanation
(Commentary on Hadith 1057)
From this narration, it is understood that there is no harm in using or praying in those clothes which have been worn in a state of major ritual impurity (janabah).