as for your women past the age of bearing children who have no hope of marriage there is no harm if they take off their outer garments but in such a way that they do not display their charms yet if they avoid this it would be better for them. god is allhearing and allknowing.
والقواعد من النساء اللاتي لا يرجون نكاحا فليس عليهن جناح أن يضعن ثيابهن غير متبرجات بزينة وأن يستعففن خير لهن والله سميع عليم