>Today's primary threats are bullets, and I believe they have more luck stopping those with sheets of flexible, fibrous materials. Those sheets stop lower powe

>Today's primary threats are bullets, and I believe they have more luck stopping those with sheets of flexible, fibrous materials. Those sheets stop lower power bullets, all the body armor that stops high power weapons has large ceramic panel inserts. Besides ceramics there are things like metal–graphene nanolayered composites that hold the promise tipping the armor/firepower balance back in the favor of armor.