New materials, old physics – the science behind how your winter jacket keeps you warm

By: Longji Cui, University of Colorado Boulder and Wan Xiong, University of Colorado Boulder, The Conversation

Outlets: The Conversation

Published: December 26, 2025

Words: 1,265

Last Updated: 4 days, 5 hours ago

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By Longji Cui, University of Colorado Boulder and Wan Xiong, University of Colorado Boulder

As the weather grows cold this winter, you may be one of the many Americans pulling their winter jackets out of the closet. Not only can this extra layer keep you warm on a chilly day, but modern winter jackets are also a testament to centuries-old physics and cutting-edge materials science.

Winter jackets keep you warm by managing heat through the

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