Clothing experts are developing a new type of material which will adapt to different temperatures to keep the wearer comfortable.
When it's hot it lets in air to cool the wearer, then shuts out the air flow when the temperature turns cold.
The clever clothing has a top layer of tiny material spikes that absorb water.
So when the wearer sweats the spikes react to the moisture and automatically open up, then close down again when the wearer cools and the sweating stops.
The lower layer of material hasn't got any holes so protects the wearer from getting wet if it rains.
The fabric was developed after scientists looked at how pine cones react to moisture by opening up.
Look cool, stay cool
London College of Fashion student Veronika Kapsali, who is designing the clothes, said she hopes the new material will change clothing forever.
"It's up to me to work with the new material to make something that looks pretty cool as well as innovative," she said.
Developers hope the fabric will be in regular use in a few years time.
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