The way you store your armor also has a major impact on its longevity. When dealing with Kevlar armor, you should store it in a dry place, since moisture is the number one enemy of tightly woven Aramid fibers like Kevlar.
High temperatures can also be damaging to soft armor vests therefore, make sure that the storage spot for your armor is not too hot.
Lastly, it is important that you store your armor on a plain and flat surface, and don’t put any extra weight on top of it. Ideally, you should keep your bullet proof vests hanging.
Hard armor plates and plate carriers should also be stored in dry places since moisture can damage steel plates, and high heat can also be bad for PE armor plates.