In order to effectively evaluate impact protection, it is know the various tiers and they mean. These levels, usually designated by protocols like NIJ or ISO, outline the hazards a specific vest is designed against. For example, Grade II commonly protects against handgun rounds, whereas higher levels like III, four, and beyond provide defense again

NIJ Level 4 ballistic protection represents the pinnacle of personal security, safeguarding against even thedeadliest dangerous threats. Crafted with advanced materials and meticulous engineering, these protective solutions provide an impenetrable barrier against high-velocity projectiles. Whether facing armed assailants or unforeseen violence, NIJ