The demand for helmets made from declined with the advent of the industrial era
The demand for harnesses made from declined with the advent of the industrial era
The demand for stirrups made from declined with the advent of the industrial era
The demand for riding crops made from declined with the advent of the industrial era
The demand for halters made from leather later declined with the advent of the industrial era
The demand for saddles made from leather later declined with the advent of the industrial era
The demand for feed bags made from leather later declined with the advent of the industrial era
Football and aviation (pilot) helmets were constructed of leather.
NFL players were first required to wear helmets in 1943. At the time, they were made of leather. They then went to being made of plastic and now are made of polycarbonate.
some are made of leather, cheaper helmets are made of composite materials.
Leather, after 1916; steel.
The old helmets where made of cow skin leather
Spartan helmets were primarily made of bronze, which provided durability and protection in battle. The helmets often featured a distinctive design, including a crest and a faceplate, to enhance both functionality and intimidation. Some helmets also included leather or other materials for padding inside to ensure a snug fit and comfort for the wearer.