Men might even think of carrying a fan or trying a pair of tight pedal pushers like one model wore, though whether such fashion extremes would actually catch on is another matter.
Notably missing from the environment ministry's dress code short prom dresses specific rules for women. Despite the omission, yesterday's fashion show included ensembles for women as well.
Khakis, white pants and airy polyester dresses are all apparently acceptable. For retailers selling casual clothes, Super Cool Biz could provide a much-needed boost after the disaster, which led consumers to cut back on spending.

In what appears to be an annual happening, Graduation Dresses actresses have been wowing Cannes International Film Festival fans with their dazzling dresses. Last year, Fan Bingbing caused a commotion with her yellow "Dragon Robe" and went all out again with a red-crowned crane dress this year, which she says represents peace.
Actresses Gong Li, in a long, flowing black dress, and Yuan Li also attended the festival, although no Chinese films were nominated this year.
Actor Deng Chao recently confirmed he registered his marriage to long-term girlfriend Sun Li in February 2010 and will likely hold a wedding banquet in Shanghai in the near future.
Now the rumor mill is saying Sun is pregnant. Southern Homecoming Dresses Weekly reports say Deng accompanied Sun on a trip to the city's Huashan Hospital and suggests that it was for a pregnancy checkup. Double happiness!
Elvis Tsui has been causing a commotion on his micro blog after criticizing Ren Zhiqiang, chairman of real estate developer Huayuan Group.
Apparently, the Hong Kong actor has had some problems with leaking water in his Beijing apartment and unlike most mortals, who notify the apartment block supervisor, Tsui decided to go straight to the top.
"Hi, Mr Ren, I bought an apartment in Beijing, but water Little Black Dresses leaks from cracks in the surface of the roof," Tsui wrote.
"However, the developer said the building meets the national standard. I'd like to hear what you have to say. Thanks!"
The celebrity grumble surprisingly generated an Internet buzz, according to Guangzhou Daily. His message was re-tweeted tens of thousands of times and drew more than 5,000 replies, many of them referring to the actor's tough man image.