Here are the detailed information:
TOTAL WEIGHT OF THE VEST IS 2.4KG
Protection level: 24 Joules kinetic energy, not exposed tip (equivalent to 253 kg force puncture, not pierced).5 layers of high-tungsten steel sheet superimposed; steel sheet thickness:0.7mm(thicker than regular stab proof vest which is only 0.3mm)
Size: 10"×12"; Waist (adjustable): 31"-52";Protected area: 0.3㎡ ;Light Weight - Only 2.4Kg.