Every morning, thousands of construction workers in Qatar start their day by soaking their uniforms in water. The two-minute ritual kickstarts an important process: When the workers are toiling outside — often at summer temperatures above 48 Celsius — their uniforms can cool skin temperature by as much as 8 C, for up to seven hours.
The uniforms are made by British startup Techniche International, which brands them as StayQool suits. Constructed from an outer layer of specially designed mesh, plus a waterproof inside layer, the suits absorb and remove heat through evaporation. They’re also adjustable: Workers can add or remove a cooling collar or wrist cuff as needed.
Techniche isn’t alone in seeing opportunity in apparel designed to beat the heat. With 2023 on track to be the hottest year on record, a number of startups are exploring new technologies and textiles for keeping people cool. In the U.S., work is underway to commercialize wearable technology that mimics air-conditioning, while scientists in China are working on highly reflective fabric. With more heat and more heat waves expected in the years ahead, cooling is becoming a holy grail for garment-makers.
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