NIJ Threat Level

Measure (cm)

Unit Weight (kg)

IV, stand alone.

30x25x2

2.8

IV, in conjunction with IIIA armor vest.

30x25x1.7

2.5

III, stand alone.

30x25x1.7

2.3

III, in conjunction with IIA armor vest.

30x25x1.5

2.1

III, in conjunction with IIIA armor vest.

30x25x1.5

2