Military helmets are divided into several types

1. infantry helmet

Infantry helmet, called steel helmet, mainly for Defense bullet and shrapnel injuries to the head. Helmet shells made of special steel production, in order to improve ballistic performance, some also add a layer of Bulletproof glass or nylon liner. Suspension systems are usually made of leather, plastic, or fabric, fixed to the helmet shell. Helmet weight 1~1.5 lbs.

2. pilot's helmet

Pilots and crew members wearing the pilot's helmet, helmet shell made from lightweight materials such as fiberglass or plastic, is primarily used to prevent knock the head hurt or injured, and noise abatement. This helmet can wrap the ears and cheeks, equipped with headphones and transmitter, and fitted with a mask that can be moved up and down, to protect the eyes and face.

3. airborne helmet

Airborne helmet to prevent manipulation of the opening moments or risers wounded and bruised head when it landed, after landing and infantry helmet uses the same. This helmet is usually steel, double Ribbon, wear a solid and reliable, avoid skydiving helmet air rushed off in the process.

4. tank helmet

Tank crew helmets with foam or foam rubber shock pad, helmet shell similar to the pilot's helmet, also made of leather, fabric and sewing. the soft helmet, China commonly known as the tank hat.