Stab Proof/Knifeproof Concealable Vest NIJ I (36J) Protection Level. For size guide, see main listing photos. Lab report available on request. All vests comply with NIJ STD 0115.00. Stab protection Level I (36J stike energy). &#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B. 36J of multi strike stab protection. Versatile design can be worn under or over clothing. 600D Nylon cover durable […]