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A lightweight, warm and soft fabric, fleece has some of wool's good qualities. Polar fleece garments are traditionally available in the micro, 100, 200, and 300 variants, where the numbers represent the fleece's weight in grams per square meter (gsm). The heavier fleece are warmer. Fleece can range from being high loft to tightly knit.
A vacuum is the best insulator, but its use in clothing is impractical. Dry air is a practical insulator. Extreme cold weather clothing uses still dry air to insulate the body, [2] layers of loose air trapping material are most effective. The inner layers should conduct moisture away from the body.
Clothing insulation is the thermal insulation provided by clothing. [1] [2] Even if the main role of clothing is to protect from the cold, protective clothing also exists to protect from heat, such as for metallurgical workers or firemen. As regards thermal comfort, only the first case is considered.
Most heated clothing is designed for cold-weather sports and activities, such as motorcycle riding, downhill skiing, diving, winter biking, and snowmobiling, trekking and for outdoor workers such as construction workers and carpenters. Since the London Olympics, heated clothing has also been used by athletes to keep their muscles warm between ...
Insulation and heat conservation: Clothing worn in the Arctic must be warm, especially during the winter, when the polar night phenomenon means the sun never rises and temperatures can drop below −40 °C (−40 °F) for weeks or months. [6] Inuit garments were designed to provide thermal insulation for the wearer in several ways.
With excessive heat bearing down on much of the U.S. this summer, you might be researching ways to stay cool and hydrated, like wearing lightweight clothing, chugging plenty of fluids and ...
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