According to Shaikh ibn Uthaimim, they are not allowed since they are besides the norm and they lead the woman to expose her beauty and make people look at her. Allah (SWT) has said:
Do not display yourselves like that of the times of ignorance. (al-Ahzab 33)
Everything that leads the woman to displaying herself and showing her beauty and in such a beauteous way distinguishing herself from the other women is forbidden and not allowed. Continue reading What is the Islamic Ruling Concerning Wearing High-Heeled Shoes?