Based on the structure and appearance, bulletproof helmets can be divided into several types. The main types and their details are shown as below.

The above is a brief introduction of several common helmet types. Different helmets have different protective capabilities according to the manufacturing materials and manufacturing processes. Generally speaking, these helmets made of bullet-proof fiber can only defend against fragments or pistol bullets at close range, but some helmet made of the most advanced UHMWPE material can even defend against rifle bullets. For example, the NIJ III class PASGT bullet-proof helmet of Wuxi Newtech can defend against the direct fire of full speed M80 at a distance of 100 meters.