Save the planet, wear a bra that's solar-powered.

Lingerie maker Triumph International Japan Ltd unveiled its environmentally friendly, and green colored, "Solar Power Bra" on Wednesday in Tokyo which features a solar panel worn around the stomach -- it can generate enough electric energy to charge a mobile phone or an iPod.

The panel requires light to generate electricity and the concept bra will not be in stores anytime soon, said Triumph spokeswoman Yoshiko Masuda, as "people usually can not go outside without wearing clothes over it."

But it does send the message of how lingerie could possibly save the planet, Masuda said, adding that the bra should not be washed or sunned on a rainy day to avoid damaging it.