If the Only Clothing Available Are Those Which Are Not Permissible to Pray In
Issue No.768- If one has no other clothes but najis ones, ones made of gold or silk, carcass or of a haram meat animal, he should offer prayer with them. However, if he does not have any clothes other than a usurped one, and can offer prayer without clothes on, he should perform prayer in accordance with the rules prescribed for one who has no clothes.