The clothing worn by someone performing prayers must meet six conditions: 1. it must be pure (ṭāhir); 2. it must be permissible (mubāḥ) [i.e. it must not be usurped], as an obligatory precaution; 3. it must not be made from the parts of the carcass [of an animal that has not been slaughtered according to Islamic law]; 4. it must not be from a predatory animal; and based on obligatory precaution, nor must it be from an animal whose meat is unlawful to eat; 5.–6.
if the person performing prayers is male, it must not be made from pure silk nor embroidered with gold. The details of these conditions will be explained in the following rulings.