The world’s very first mesh shirt resembled the historic Viking armour known as “Brynje” and was invented by Henrik Brun from Uvdal, Norway, in 1921. The “Brynje-shirt” or “health shirt”, was further developed in collaboration with the Norwegian Armed Forces. It soon became an essential part of equipment on challenging expeditions to the world’s extremes.
When the British Army Colonel John Hunt was put in charge of planning the famous Mount Everest expedition of 1953, he shocked the then conservative climbing world with completely new theories about weight, speed, clothing and comfort. The entire expedition team was equipped with Brynje string vests. On May 29, 1953, Sir Edmund Hillary and Tenzing Norgay reached the top of the world's highest mountain. The two climbers wore Brynje's string vests next to the skin, making these the first thermal undergarments at 8848 m elevation, and supporting Hillary and Tenzing as they “knocked the bastard off”.
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