BIRTHDAY. Some historians trace the date of birth of the jeans to May 20, 1873, the day when Jacob Davis and Levi Strauss obtained the patent for blue jeans.
GENOA OR NIMES? But the history of jeans had begun centuries earlier. In the fifteenth century, in Chieri near Turin, a type of blue cloth was used to cover goods in the port of Genoa. The translation of Genoa into French "Gênes" would be the origin of the word Jeans. The word denim, on the other hand, is an Americanization of the French denomination "serge de Nimes", a fabric born in the Middle Ages in Nîmes, France, which was used to make trousers worn by Genoese sailors.
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BLUE OR GREEN? Their original name, blue jeans, must remind us that it is not at all environmentally friendly, at least in terms of water footprint, because it takes a lot of water to make a pair. According to the calculations of Water Footprint Network to produce a single pair of jeans is necessary
IN THE WAR. Blue jeans began to spread during the Second World War thanks to the American soldiers who wore them when they were not on duty. Then in the mid-50s, the turning point: they become popular among young people, as a symbol of adolescent rebellion, after James Dean wears them in Gioventù bruciata (1955).
AUCTION. On May 25, 2001, a Levi's representative bought a pair of hundred-year-old jeans on eBay, found in a mine, for $ 46, 532. 500 copies were sold for $ 300 each.
THE IDEA OF THE SLAVED JEANS. The first to wash a new pair of jeans to get the worn-out, still fashionable, effect was Marty Friedman, owner of Limbo, an East Village store in New York . At the end of the 60s he sent new jeans to the laundry to give him the vintage effect, which his hippy clientele liked so much.
In the photo, the Wash Italia laundry by Berardo Lucci, specialized in the denim manufacturing process.
THE COTTON. About 215 pairs of jeans are obtained from a cotton bale. Cotton crops cover 34 million hectares of the earth's surface and according to Ethical Consumer they use 25% of the world's insecticides and 10% of pesticides. Therefore producing jeans is not always sustainable.
ETHICS AND JEANS. Ethical Consumer has also created an interactive online guide to buying jeans, based on the ethical behavior of the producers. The two most virtuous companies in the industry? They are English: the Howies and the Monkee Soil Association.
9. WHERE TODAY IS BORN. Over 50% of denim is produced in Asia, particularly in China, India and Bangladesh. Mexico is the most active western country in the production of jeans.
In the photo a textile industry worker from Dhaka, Bangladesh.
WEIGHT. Understanding whether a pair of jeans is better suited to summer or cold months is not difficult: just read the weight, if indicated, or weigh it. If it weighs 10 ounces (280 grams) it is light. If the weight instead goes from 12 to 21 ounces it is a heavy denim, more suitable for the winter season.
In the picture, Matteo Renzi, the first president of the council to wear jeans on official occasions.
XXXXXXXXXXXXXL The biggest jeans in the world? Those in the picture: they measure 50 meters and they were sewn in 2009 by the students of the Arab Fashion Institute (Tunisia).
DIRTY … HOW MUCH? Josh Le, a student at the University of Alberta, conducted an experiment wearing his jeans for 15 months without washing them, but keeping them in the open only three times a week just to remove the smells. After counting the bacteria on the pants, he washed them and redid the experiment after 15 days.
Result? At the end of the experiment, the jeans were analyzed by Rachel McQueen, professor of human Ecology at the same university, who surprisingly found no danger to her health: normal skin flora, with a higher concentration of bacteria in the horse area but no fecal bacteria. To know more.
In the photo, a pair of twenties jeans.