A helmet is a form of

protective gear Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, ele ...

worn to protect the head. More specifically, a helmet complements the

skull The skull is a bone protective cavity for the brain. The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. However two parts are more prominent: the cranium and the mandible. In humans, th ...

in protecting the human

brain A brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It is located in the head, usually close to the sensory organs for senses such as vision. It is the most complex organ in a ve ...

. Ceremonial or symbolic helmets (e.g., a policeman's helmet in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...

) without protective function are sometimes worn. Soldiers wear combat helmets, often made from

Kevlar Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s a ...

or other lightweight synthetic fibers. The word ''helmet'' is derived from ''helm'', an

Old English Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlers in the mid-5th c ...

word for a protective head covering. Helmets are used for recreational activities and sports (e.g., jockeys in horse racing,

American football American football (referred to simply as football in the United States and Canada), also known as gridiron, is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense, the team wi ...

ice hockey Ice hockey (or simply hockey) is a team sport played on ice skates, usually on an ice skating rink with lines and markings specific to the sport. It belongs to a family of sports called hockey. In ice hockey, two opposing teams use ice h ...

cricket Cricket is a bat-and-ball game played between two teams of eleven players on a field at the centre of which is a pitch with a wicket at each end, each comprising two bails balanced on three stumps. The batting side scores runs by str ...

baseball Baseball is a bat-and-ball sport played between two teams of nine players each, taking turns batting and fielding. The game occurs over the course of several plays, with each play generally beginning when a player on the fielding t ...

, camogie, hurling and rock climbing); dangerous work activities such as

construction Construction is a general term meaning the art and science to form Physical object, objects, systems, or organizations,"Construction" def. 1.a. 1.b. and 1.c. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) Oxford University Pr ...

mining Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef, or placer deposit. The exploitation of these deposits for raw material is based on the economic ...

riot police Riot police are police who are organized, deployed, trained or equipped to confront crowds, protests or riots. Riot police may be regular police who act in the role of riot police in particular situations or they may be separate units organize ...

, military aviation, and in transportation (e.g.

motorcycle helmet A motorcycle helmet is a type of helmet used by motorcycle riders. Motorcycle helmets contribute to motorcycle safety by protecting the rider's head in the event of an impact. They reduce the risk of head injury by 69% and the risk of death by 42% ...

s and

bicycle helmet A bicycle helmet is a type of helmet designed to attenuate impacts to the head of a cyclist in falls while minimizing side effects such as interference with peripheral vision. There is ongoing scientific research into the degree of protection ...

s). Since the 1990s, most helmets are made from

resin In polymer chemistry and materials science, resin is a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic compounds. This article focuses on n ...

plastic Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...

, which may be reinforced with fibers such as

aramid Aramid fibers, short for aromatic polyamide, are a class of heat-resistant and strong synthetic fibers. They are used in aerospace and military applications, for ballistic-rated body armor fabric and ballistic composites, in marine cordage, ma ...

Designs

Some British

gamekeeper A gamekeeper (often abbreviated to keeper), or in case of those dealing with deer (deer-)stalker, is a person who manages an area of countryside (e.g. areas of woodland, moorland, waterway or farmland) to make sure there is enough game for s ...

s during the 18th and 19th centuries wore helmets made of straw bound together with cut

bramble A bramble is any rough, tangled, prickly shrub, usually in the genus ''Rubus'', which grows blackberries, raspberries, or dewberries. "Bramble" is also used to describe other prickly shrubs, such as roses (''Rosa'' species). The fruits inclu ...

. Europeans in the tropics often wore the pith helmet, developed in the mid-19th century and made of

pith Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which in some cases can store starch. In eudicotyledons, pith is located in the center of the stem. In monocotyledons, it ext ...

or cork. Military applications in the 19th–20th centuries saw a number of

leather Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle, sheep, goats, equine animals, buffalo, pigs and hog ...

helmets, particularly among aviators and

tank A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engi ...

crews in the early 20th century. In the early days of the

automobile A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarde ...

, some motorists also adopted this style of headgear, and early

football helmet The football helmet is a piece of protective equipment used mainly in gridiron football, although a structural variation has occasional use in Australian rules football. It consists of a hard plastic shell with thick padding on the inside, a ...

s were also made of leather. In

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

, American, Soviet, German, Italian and French flight crews wore leather helmets, the German pilots disguising theirs under a beret before disposing of both and switching to cloth caps. The era of the First and Second World Wars also saw a resurgence of metal military helmets, most notably the

Brodie helmet The Brodie helmet is a steel combat helmet designed and patented in London in 1915 by Latvian inventor John Leopold Brodie ( lv, Leopolds Janno Braude). A modified form of it became the Helmet, Steel, Mark I in Britain and the M1917 Helmet in ...

and the Stahlhelm. Modern helmets have a much wider range of applications, including helmets adapted to the specific needs of many athletic pursuits and work environments, and these helmets very often incorporate plastics and other synthetic materials for their light weight and shock absorption capabilities. Some types of synthetic fibers used to make helmets in the 21st century include

fibers, such as

and

Twaron Twaron (a brand name of Teijin Aramid) is a para-aramid. It is a heat-resistant and strong synthetic fibre developed in the early 1970s by the Dutch company Akzo Nobel's division Enka BV, later Akzo Industrial Fibers. The research name of the par ...

. Race car helmets include a head and neck support system that keeps the helmet (and head) attached to the body in severe collisions.

Helmet types

Helmets of many different types have developed over time. Most early helmets had military uses, though some may have had more ceremonial than combat applications. Two important helmet types to develop in antiquity were the Corinthian helmet and the Roman galea. During the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

, many different military helmets and some ceremonial helmets were developed, almost all being metal. Some of the more important medieval developments included the

great helm The great helm or heaume, also called pot helm, bucket helm and barrel helm, is a helmet of the High Middle Ages which arose in the late twelfth century in the context of the Crusades and remained in use until the fourteenth century. The barreled ...

, the

bascinet The bascinet – also bassinet, basinet, or bazineto – was a Medieval European open-faced combat helmet. It evolved from a type of iron or steel skullcap, but had a more pointed apex to the skull, and it extended downwards at the rear an ...

, the

frog-mouth helm The frog-mouth helm (or meaning "jousting helmet" in German) was a type of great helm, appearing from around 1400 and lasting into the first quarter of the 16th century. The helmet was primarily used by mounted knights for tournaments (jousting) ...

, and the

armet The armet is a type of combat helmet which was developed in the 15th century. It was extensively used in Italy, France, England, the Low Countries and Spain. It was distinguished by being the first helmet of its era to completely enclose the head ...

. The great seal of Owain Glyndŵr (c. 1359 – c. 1415) depicts the prince of

Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...

& his stallion wearing full armour, they both wear protective headgear with Owain's gold dragon mounted on top. This would have been impractical in battle, so therefore these would have been ceremonial. In the 19th century, more materials were incorporated, namely leather, felt and

. The

pith helmet The pith helmet, also known as the safari helmet, salacot, sola topee, sun helmet, topee, and topi) is a lightweight cloth-covered helmet made of sholapith. The pith helmet originates from the Spanish military adaptation of the native '' salako ...

and the leather pickelhaube were important 19th century developments. The greatest expansion in the variety of forms and composition of helmets, however, took place in the 20th century, with the development of highly specialized helmets for a multitude of athletic and professional applications, as well as the advent of modern plastics. During

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, the French army developed the Adrian helmet, the British developed the

, and the Germans produced the Stahlhelm. MotoX Helmet

Flight helmet A flight helmet, sometimes referred to as a "bone dome" or "foam dome", is a special type of helmet primarily worn by military aircrew. A flight helmet can provide: Aerospace International (magazine), March 2011, pages 26–29 * Impact protection ...

s were also developed throughout the 20th century. A multitude of athletic helmets, including

batting helmet A batting helmet is worn by batters in the game of baseball or softball. It is meant to protect the batter's head from errant pitches thrown by the pitcher. A batter who is "hit by pitch," due to an inadvertent wild pitch or by intent, may ...

hockey helmet A hockey helmet is worn by players of ice hockey, inline hockey, and bandy to help protect the head from potential injury when hit by the puck, sticks, skates, boards, other players, or the ice. The shell of a hockey helmet is generally ma ...

cricket helmet Helmets in cricket were developed in the 20th century. History There are recorded instances of cricketers using scarves and padded caps to protect themselves throughout cricket history. Patsy Hendren was one of the first to use a self-designed p ...

s and

racing helmet A racing helmet is a form of protective headgear worn by racing car and rally drivers. Motor racing has long been known to be an exceptionally risky sport:Lippi, G., Salvagno, G. L., Franchini M., and Guidi G. C.; “Changes in technical regulation ...

s, were also developed in the 20th century. Helmets since the mid-20th century have often incorporated lightweight plastics and other synthetic materials, and their use has become highly specialized. Some important recent developments include the French

SPECTRA helmet The SPECTRA helmet or CGF Gallet Combat Helmet is the PASGT-style ballistic helmet in use with the French military, and the armies of several other countries. Built by CGF Gallet (producer of the F1 helmet for firemen), it weighs , is available ...

, Spanish MARTE helmet or the American

PASGT Personnel Armor System for Ground Troops (PASGT, pronounced ) is a combat helmet and ballistic vest that was used by the United States military from the early 1980s until the mid-2000s, when the helmet and vest were succeeded by the Lightweight ...

(commonly called "Kevlar" by U.S. troops) and

Advanced Combat Helmet The Advanced Combat Helmet (ACH) is the United States Army's current combat helmet, used since the early 2000s. It was developed by the United States Army Soldier Systems Center, the U.S. Army Special Operations Command, and the U.S. Army Researc ...

, or ACH.

Heraldry

As the

coat of arms A coat of arms is a heraldic visual design on an escutcheon (i.e., shield), surcoat, or tabard (the latter two being outer garments). The coat of arms on an escutcheon forms the central element of the full heraldic achievement, which in its ...

was originally designed to distinguish

noble A noble is a member of the nobility. Noble may also refer to: Places Antarctica * Noble Glacier, King George Island * Noble Nunatak, Marie Byrd Land * Noble Peak, Wiencke Island * Noble Rocks, Graham Land Australia * Noble Island, Gr ...

combatants on the battlefield or in a

tournament A tournament is a competition involving at least three competitors, all participating in a sport or game. More specifically, the term may be used in either of two overlapping senses: # One or more competitions held at a single venue and concentr ...

, even while covered in armour, it is not surprising that

heraldic Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank and pedigree. Armory, the best-known bran ...

elements constantly incorporated the shield and the helmet, these often being the most visible parts of a

knight A knight is a person granted an honorary title of knighthood by a head of state (including the Pope) or representative for service to the monarch, the church or the country, especially in a military capacity. Knighthood finds origins in the Gr ...

's military equipment. The practice of indicating peerage through the display of barred or grilled helmets first appeared around 1587-1615, and the heraldic convention of displaying helmets of rank in the United Kingdom, which came into vogue around Stuart times, is as follows: *Sovereign: a gold barred-face (tournament) helm placed affronté *Peer's helmet: silver barred-face (tournament) helm placed in profile *Knight's or baronet's helmet: steel helm (earlier jousting helm, later

close helm The close helmet or close helm is a type of combat helmet that was worn by knights and other men-at-arms in the Late Medieval and Renaissance eras. It was also used by some heavily armoured, pistol-armed, cuirassiers into the mid-17th century. I ...

) placed affronté with visor open *Esquire's helmet: steel helm placed in profile with visor closed Earlier

rolls of arms Roll or Rolls may refer to: Movement about the longitudinal axis * Roll angle (or roll rotation), one of the 3 angular degrees of freedom of any stiff body (for example a vehicle), describing motion about the longitudinal axis ** Roll (aviation), ...

reveal, however, that early heraldic helmets were depicted in a manner faithful to the styles in actual military or

use at the time.Fox-Davies, P. 316.

Gallery

File:Cretan Helmet.jpg, Boar tusk

Minoan The Minoan civilization was a Bronze Age Aegean civilization on the island of Crete and other Aegean Islands, whose earliest beginnings were from 3500BC, with the complex urban civilization beginning around 2000BC, and then declining from 1450B ...

helmet, 1600–1500 BCE File:Boars's tusk helmet NAMA6568 Athens Greece1.jpg, Boar tusk Mycenaean helmet, 14th century BCE File:Corinthian helmet Denda Staatliche Antikensammlungen 4330.jpg, Corinthian helmet, 500 BCE File:Greek - Chalcidian-Type Helmet - Walters 542468.jpg, Greek

Chalcidian helmet A Chalcidian helmet or Chalcidian type helmet was a helmet made of bronze and worn by ancient warriors of the Hellenic world, especially popular in Greece in the fifth and fourth centuries BC. The helmet was also worn extensively in the Greek (s ...

, 500 BCE File:Bronze helmet of conical shape MET DP21094.jpg, Greek

pilos The pileus (, ; also or in Latin) was a brimless felt cap worn in Ancient Greece, Etruria, Illyria (Pannonia), later also introduced in Ancient Rome. The pileus also appears on Apulian red-figure pottery. The pilos together with the petasos w ...

helmet, 450–425 BCE File:Boeotian helmet.jpg,

Boeotian helmet The Boeotian helmet was a type of combat helmet used in Ancient Greece during the classical and Hellenistic periods, as well as in Ancient Rome; it possibly originated in the Greek region of Boeotia. Characteristics The Boeotian helmet was mod ...

, 4th century BCE File:Illyrian-Greek helmet from Montenegro - Budva -4th cBC.png, Greek Illyrian type helmet, 4th century BCE File:Pletena helmet.jpg,

Thracian helmet A helmet is a form of protective gear worn to protect the head. More specifically, a helmet complements the skull in protecting the human brain. Ceremonial or symbolic helmets (e.g., a policeman's helmet in the United Kingdom) without protect ...

, 4th century BCE File:Parade helmet.jpg, Celtic (Gallic) parade helmet, 350 BCE File:Ancient bronze greek helmet -South Italy.jpg,

Attic helmet The Attic helmet was a type of helmet that originated in Classical Greece and was widely used in Italy and the Hellenistic world until well into the Roman Empire. Its name is a modern historiographic convention: "Terms such as Illyrian and Attic ar ...

, 350 BCE to 300 BCE File:Phrygian helmet.jpg, Greek bronze

Phrygian helmet The Phrygian helmet, also known as the Thracian helmet, was a type of helmet that originated in ancient Greece and was widely used in Thrace, Dacia, Magna Graecia and the Hellenistic world until well into the Roman Empire. Characteristics The n ...

, 350 BCE to 300 BCE File:Roman helmet.jpg, Roman cavalry helmet, 1st century CE File:The Nijmegen cavalry helmet, an iron mask sheathed in bronze and silver discovered in 1915 on the left bank of the Waal river near Nijmegen, second half of the first century, Museum het Valkhof, Nijmegen (Netherlands) (9569871602).jpg, Roman cavalry helmet File:The black helmet of a Mongolian army(2).JPG, Black Mongolian helmet File:Khalili Collection Islamic Art mtw 1415.jpg, alt=Iranian helmet, iron, bronze rivets and gilding., Iranian, 7th or 8th century AD Spangenhelm File:KHM Wien A 12 - Bascinet by Master A, Milan, c. 1400, side.jpg, Early 15th century

with ''hounskull'' visor File:Helm for the Joust of Peace (Stechhelm) MET DP271142.jpg, 15th-century German

used in jousting File:Helmet of Mamluk Sultan Qaitbay, Hermitage Museum, St. Petersburg (37046195461).jpg, Ottoman zischagge helmet, mid-16th century File:German - Close Helmet of the "Maximilian" Style - Walters 51465 - Profile.jpg, 16th century Maximilian style close helmet File:Parade helmet VandA M.52-1909.jpg, 19th-century Japanese kabuto File:Braunschweigisches Husaren-Regiment Nr. 17 Totenkopf Paradehelm Cut out.jpg, German Pickelhaube File:Musee-de-lArmee-IMG 0976.jpg, Late 19th-century pith helmet File:Soldiers Zhejiang Campaign 1942.jpg, Type 90 helmets worn by the Japanese during the Second World War File:Bundesarchiv Bild 101I-089-3779-11A, Russland, Hauptmann mit Ritterkreuz Recolored.jpg, A German stahlhelm during World War II File:VMA-311Flight Helmet.JPG, Vietnam War era Marine Squadron (aviation), squadron VMA-311 Fighter pilot helmet, flight helmet File:US soldiers wearing the PASGT helmet, Hawaii (cropped).jpg, PASGT helmet File:Fire helmet, c. 1893, leather, steel - Old Colony History Museum - Taunton, Massachusetts - DSC03887.jpg, Leather and steel firefighting helmet File:Sporthelme.jpg, Ski helmet (left), paragliding helmet (right) File:STS-135 Sandy Magnus undergoes a fit check of her Sokol suit.jpg, Astronaut helmet File:Aviakit Pudding basin helmet.jpg, Aviakit motorcyclist "pudding basin" helmet File:White-helmets.jpg, Full face and open face motorcycle helmets File:Hurling helmet 000 0200.jpg, Hurling/Camogie helmet File:Magnus Muhrén 2012b.jpg, Bandy helmet

References

External links