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2. Motorcycle helmet - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_helmet

   The open face, or "three-quarters", helmet covers the ears, cheeks, and back of the head, but lacks the lower chin bar of the full face helmet. Many offer snap-on visors that may be used by the rider to reduce sunlight glare. An open face helmet provides the same rear protection as a full face helmet, but little protection to the face, even ...

3. Lightweight Helmet - Wikipedia

   en.wikipedia.org/wiki/Lightweight_Helmet

   The Lightweight Helmet (LWH), also known as the Lightweight Marine Corps Helmet [1] or Lightweight Marine Helmet, is an armored helmet that is used by the United States Marine Corps and U.S. Navy. It is the U.S. Marine Corps' replacement for the PASGT combat helmet and is derived from the Modular Integrated Communications Helmet .

4. Future Assault Shell Technology helmet - Wikipedia

   en.wikipedia.org/wiki/Future_Assault_Shell...

   The FAST XR Helmet System released in 2022 represents an intermediate in protection between the SF line of helmets and the RF1 Helmet System, protecting against 7.62×39mm rifle rounds at a distance of 10 feet, but not against larger rounds such as 7.62×51mm. This is due to having a shell thickness of 0.280" (7.112mm).

5. Diving helmet - Wikipedia

   en.wikipedia.org/wiki/Diving_helmet

   The weight of the helmet is carried on the shoulders via the breastplate, so it does not have to be neutrally buoyant, and can be directly weighted or held down by a jocking strap. Faceplate (or viewport, in older helmets also called a light) – The diver's window to the world. A transparent window in the front of the helmet or full-face mask.

6. Sallet - Wikipedia

   en.wikipedia.org/wiki/Sallet

   The German sallet may have been the product of the melding of influences from the Italian sallet and the deep-skulled "German war-hat," a type of brimmed chapel de fer helmet. [3] Later Italian sallets (by c. 1460) lost their integral face protection and became open-faced helmets with gracefully curved surfaces.

7. Motorcycle personal protective equipment - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_personal...

   There are three main styles: flip-face, open-face and full-face. [15] [16] An open-face helmet, which includes half helmets and three-quarter helmets, will protect everything but the face. Full-face helmets protect the skull, plus providing protection for the lower jaw as well as the face itself. Full-face helmets offer much more protection ...