Thin reflective surfaces bounce infrared heat, similar to the "space-blanket" effect used in aerospace and modern jacket liners.
January 10, 2026
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January 10, 2026 1 a.m.
The science behind how your winter jacket keeps you warm
The science behind how your winter jacket keeps you warm
As the weather grows cold this winter, you may be one of the many Americans pulling their winter jackets out of the closet.