Just an interesting article I found. I know the military are doing lots of testing right now with many different materials. And it’s not Kevlar.
“Without revealing too much information, I can state unequivocally that the new plates will significantly lighten the load from the Marine, and increase their mobility” said Pierce, in the command release. “This increased capability can save lives and win battles by enabling Marines to engage the enemy or move to cover and concealment more quickly.”