DuPont has debuted a new version of its famous bulletproof Kevlar fabric called EXO at this year’s United States Army Rangers’ Best Ranger Competition at Fort Benning Georgia. The company says it is the most significant aramid fiber innovation in over 50 years with not only better ballistic protection, but it’s also lighter, more flexible, and more heat resistant.

Mention Kevlar and it’s likely to bring up images of bulletproof vests, but the material has many more applications. Blankets of it protect the International Space Station from micrometeorites, it reinforces composite boat hulls, is spun into cordage, woven into sails, formed into helmets and fire-resistant clothing, used as a substitute for asbestos, and turned into everything from hockey sticks to tennis rackets.

Small wonder that 55 million tonnes of it under various names are produced worldwide every year.

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Technically, Kevlar is an aramid fiber, which is short for aromatic polyamide – a synthetic polymer material formed from aromatic rings of six carbon atoms arranged along the axis of the fiber. Put simply, this makes the end result very strong, abrasion resistant, heat resistant, nonconductive, and non-inflammable under normal conditions.

Read more: New Atlas