They may be fashionable the world over but one demonstrator found to his cost that low-slung jeans are not the best choice of clothing when confronting armed police.
The masked protester in Egypt was caught with his trousers down yesterday as he hurled rocks at riot police.
He exposed his blue boxer shorts when his loose trousers slipped to his knees during clashes near Cairo's Tahrir Square.
It came on the fourth day of violence that has swept the country and left more than 50 dead.
Thousands of people have protested against the rule of President Mohammed Morsi and a court verdict to execute 21 people that were involved in a riot last year that left 74 football fans dead.
In a bid to restore calm, Mr Morsi has declared a month-long state of emergency in the three cities of Ismailiya , Suez and Port Said - which has seen the worst of the violence.
But defying the 9am to 6pm curfew, thousands of protesters demonstrated in the affected cities last night.
The army has been deployed in two of the cities and cabinet approved a measure to let soldiers arrest civilians.
A cabinet source told Reuters any trialswould be before civilian courts, but the step is likely to anger protesters who accuse Mursi of using high-handed security tactics of the kind they fought against to oust President Hosni Mubarak.
Heba Morayef of Human Rights Watch in Cairo said the police would once again have the right to arrest people 'purely because they look suspicious', in a throw back to the regime of former president Hosni Mubarak.
'It is a classic knee-jerk reaction to think the emergency law will helpbring security,' she said.
'It gives so much discretion to the Ministryof Interior that it ends up causing more abuse, which in turn causes more anger.'
Demonstrations are continuing for a fifth consecutive day today as police fire volleys of teargas at dozens of youths throwing stones in Cairo.