Global Hypercolor has introduced color-changing technology into a couple of heat sensitive knicker designs from Green Knickers. Now, the entire pair isn’t heat sensitive, as only the daisy motif on the front is subsceptible to it. As for the rest of the knickers, it is made out of organic cotton for the ultimate comfort. Now if only someone could come up with a lie-detector version built right into it - one’s pants no longer needs to catch fire but change color instead. They retail for £15 apiece.

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