Religious hardliners have sparked a new debate in Iran, after protests demanding the government do more to enforce the country's strict dress code for women.
They're unhappy that many women in the city have begun to wear more comfortable and colourful clothing, especially during summer.
What women wear in Iran has got hundreds of religious hardliners hot under the collar.
A group of demonstrators gathered in a Tehran park last weekend, calling for stronger enforcement of the Islamic dress code.
The protest singled out Satellite TV channels for not boosting the culture of the veil and chastity in programming.
One protestor, Motafaqqehi says: "Hijab is an order by Allah. Every woman should cover their hair and body. It is a must according to Sharia. If somebody chooses to cover herself more, it is good but some women fail to observe the required dress code. And when this happens we have to protest, because the security of the society is in danger. Our men, women, our society, everything are at risk."
Hardliners have stepped up the pressure on the moderate government of President Hassan Rouhani, accusing his administration of not taking the dress code seriously.
Another protestor, Mirzaei says: "Women should wear hijab, or clothing that fully covers their body, they should avoid improper colours. Wearing the veil is not enough for us, women should wear less make up. Also the way a woman talks (to men) is part of hijab."
For years, Iran's ruling system has promoted black veils as the superior type of clothing for women.
However, some Iranian women are choosing to wear more comfortable and colourful outfits, especially during hot weather.
Young women in the city often add a touch of style to their clothing by wearing tight leggings and colourful, more revealing dresses.
Hardliners say women who fail to observe the dress code put society at risk, as their clothing could lure men into affairs outside marriage and also undermine families.
Hassan Rouhani's government is supported by the majority of the Western-minded youth, after the president vowed to promote social freedom during his election campaign last year.
Mehdad Khadir, a moderate journalist from the Asr Iran website, says the growing pressure on the government could be part of a plan to undermine Rouhani's popularity.
"Since hardliners can't find faults with the government (of president Hassan Rouhani) regarding its economic and diplomatic policies, they exaggerate the problem of dress code with a clear goal in mind. They want the government to lose its popularity: if the government approves of strict enforcement of the dress code, it will lose its social fan base, like the youth who want more social freedom. And if the government decides to take sides with those people who are against harsh enforcement of the dress code, it risks losing its credibility among top clerics," he says.
Hardlliners have been asking for more strict control on clothing shops, insisting they should not be allowed to sell tight, western-style or revealing clothes.
Kahdir says that approach is doomed to fail, and that the hardline campaign is part of a greater drive against women in public life:
Some politicians are also unhappy at the greater social freedoms being enjoyed by many in Iran. Last month, 190 MPs wrote to the president denouncing what they called a Western "cultural invasion".
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