In a different report, he said that one who does not have an izâr may wear trousers. Based on these prohibitions, the scholars deduced that a man in iḥrâm may not wear fitted, sewn clothes. This does not mean that anything with stitches is forbidden, for it is permissible to wear a ridâ’ with stitching, but it is not permissible to wear a shirt (a form-fitting garment), even if it has no stitches.
The question of whether or not a person may wear a belt is controversial, and some of the righteous predecessors were strictly opposed to it. It is only permissible in the madh-hab if it is necessary to keep the ‘awrah covered. Otherwise, one may only wrap something over the izâr and tuck one side of it into the other without making a knot. Finally, wearing a waist pouch to protect money and belongings is allowed in the madh-hab and by the majority.