The M26 Adrian helmet (French term: "Casque Adrian") was a military helmet issued to the French Army during World War I. It was designed when millions of French troops were engaged in trench warfare and head wounds became a significant proportion of battlefield casualties. Adrian helmet"

Armet is the name of a type of helm developed in the 15th century, most likely in Italy. It was distinguished by being the first helm of its era to completely enclose the head while being compact and light enough to move with the wearer. The typical armet consisted of four pieces: the skull, the two cheek plates, and the visor. A multi-part reinforcement for the bottom half of the face, known as a wrapper, was sometimes added, and its straps attached to a metal disc at the base of the skull piece called a rondel. Armet"

An aventail is a flexible curtain of chainmail on a helmet, that extends to cover the neck and shoulders. The mail could be removed for cleaning or storage, and attached to the helm through use of a leather cord that was threaded through brass rings at the edge of the helm. Aventails were most commonly seen on bascinets in the 14th century and served as a replacement for a mail coif. Some aventails were decorated with edging in brass or bronze links, or dagged edges. Aventail"

A barbut is a conical, open-faced helmet, whose sides and back are extended down to protect the neck. Barbut"

The bascinet was a Medieval European open-faced military helmet, typically fitted with an aventail and hinged visor. It evolved from the cervelliere. Bascinet"

A batting helmet is the protective headgear worn by batters in a game of baseball or softball. It is meant to protect the batter from stray pitches thrown by the pitcher. A hit by pitch, caused by either a wild pitch or a purposeful attempt to injure the opposing team's batter can cause serious injury. Batting helmet"

A bicycle helmet is designed to provide head protection for cyclists. An number of jurisdictions have enacted legislation requiring cyclists to wear these helmets as well as other items of safety equipment. This legislation is controversial for a number of reasons (see below). Bicycle helmet"

The Brodie helmet (also called the shrapnel helmet or Tommy helmet, and in the United States known as a doughboy helmet) was a steel helmet designed and patented in 1915 by John L. Brodie. Brodie helmet"

The cervelliere is a round, close-fitting steel skull cap. It was worn as a helmet during the medieval period. It was first introduced during the late 13th century and was usually worn under a great helm. However the helmet continued to evolve and by the 1330's had evolved completely into the bascinet Cervelliere"

The Corinthian helmet (Ancient Greek κόρυς κορινθίη, Modern κάσκα κορινθιακή) was a type of bronze helmet which in its later styles covered the entire head and neck, with slits for the eyes and mouth. A large curved projection protected the nape of the neck, similar to those seen on later Roman and conquistador helmets and the German Stahlhelm. Corinthian helmet"

Diving helmets are worn by mainly by professional divers engaged in surface supplied diving. Diving helmet"

The F1 helmet is a modern fireman helmet made by the French company Gallet. In service since 1985, it provides protection against shocks, fires and electricity, fulfilling the EN 443 European standard. F1 helmet"

The great helm of the High Middle Ages arose in the late 12th century from late Spangenhelm designs, in the context of the crusades, and remained in use throughout the 14th century, being gradually replaced by sallet and bascinet. Great helm"

A hard hat is a type of helmet predominantly used in workplace environments such as construction sites to protect the head from injury such as from falling objects, debris and bad weather. They are typically required personal protective equipment where heavy labor is being performed. They used to be made out of metal, but since the 1960s, rigid plastic is the preferred material. Hard hat"

A helmet (a 15th century loan from Middle French, a diminutive of Frankish helm, from Proto-Germanic *khelmaz, PIE *kelmo- "a cover") is a form of protective clothing worn on the head and usually made of metal or other hard substance, such as Kevlar, resin fiber, or plastic typically for protection of the head in combat, or in civilian life, from sports injuries, falling objects or high-speed collisions. Helmet"

In the sport of cricket batsmen often wear a helmet to protect themselves from injury by the cricket ball, which is very hard and is bowled to them at up to a hundred miles an hour. Helmets began to be widely worn in the 1970s. Nowadays it is almost unheard of for a professional cricketer to face a fast bowler without a helmet, and in school cricket they are often compulsory. Cricket helmets cover the whole of the skull, and have a grill or perspex visor to protect the face. Helmet (cricket)"

A hockey helmet is worn by ice hockey players to protect the head from potential injury. Hockey helmet"

European Iron Age helmets with horns are known from a few depictions, and even fewer actual finds. They were probably used for religious ceremonial or ritual purposes. Horned helmet"

:This Kabuto is about the helmet. For other meanings, see Kabuto (disambiguation). Kabuto"

A kettle hat is a type of medieval helmet in the shape of a hat. There are many design variations. The only common element is a wide brim of steel. Kettle hat"

A leather helmet is a form of protective headgear (a helmet) fashioned primarily out of leather (usually cowhide). Leather helmet"

The M1 steel helmet was used by the United States military for over 40 years. It was introduced officially during the Second World War in 1941 to replace the M1917A brodie or doughboy helmet but saw little action until 1942. The M1 was phased out during the 1980s ( 1988) in favour of the PASGT Kevlar helmet. During its time in service it became one of the most iconic symbols of the American soldier. M1 Helmet"

A motorcycle helmet is a type of protective headgear used by motorcycle riders. The primary goal of a motorcycle helmet is to protect the rider's head during impact, although many helmets provide additional conveniences, such as face shields, ear protection, intercom etc. Motorcycle helmet"

The Personal Armor System Ground Troops Helmet ( PASGT, pronounced 'Pass-get')—also known as the "Fritz" helmet after its resemblance to the German Stahlhelm—is a Kevlar helmet issued as standard infantry combat wear in the US Military. It is made from aramid ballistic fabric treated with a phenolic resin system, is rated at a Threat Level II, and offers protection against fragmentation and ballistic threats. It meets the 1800 requirement of MIL-STD-662 E. Personnel Armor System for Ground Troops Helmet"

The pickelhaube ( German Pickel = "point"; Haube = literally "bonnet", a general word for headgear)or Prussian Helmet is a spiked helmet worn in the 19th century by German military forces. The famous spike is said to have been a feature to protect the infantrymen against sabre-blows by cavalry. Hindenburg suggested in a famous speech that it suggested a (likely symbolic) link between German soldiers and historical huns. Pickelhaube"