GDA-CONCEAL-L: Guard Dog Body Armor's concealable vest is made with a lightweight PEUD material that is NIJ level 3a certified for protection again 9mm and .44 handguns. This vest is lightweight and suitable for daily use. This model is incredibly slim, making it basically impossible to see under normal clothing. If you are looking to increase your protection and stay low-profile, then you need to pick up one of these incredible Guard Dog Body Armor Concealable vests today! Note- This particular SKU is size large.