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Why air between the layers keeps you warm
Short answer: Still air is a very poor conductor of heat, and that is exactly why it keeps you warm. Clothing warms y...
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Where the body gives off the most heat
Short answer: The body gives off heat everywhere, but most where the blood vessels lie close to the skin. The head, n...
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Clothes for hot and dry climates
Short answer: In dry heat, sweat evaporates immediately. You do not feel it, but you lose fluid faster, and your skin...
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Clothes for hot and humid climates
Short answer: In humid heat, sweat cannot evaporate. The air is already saturated, so everything you wear becomes dam...
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Clothes for training in hot weather
Short answer: In warm weather, evaporation is your only cooling. Your clothes should spread sweat over a large area s...
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Clothes for working in the heat
Short answer: In the heat, it is all about getting moisture away from your skin. A thin layer that absorbs and spread...
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Why dense fabrics hold warmth
Short answer: A dense fabric lets less air through. The warm air between skin and fabric stays put instead of being r...
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How a fabric holds warmth
Short answer: It is not the fabric that keeps you warm, but the air trapped inside it. The more small air pockets a g...
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Clothes in the heat when the skin is irritated
Short answer: In the heat, skin discomfort appears where moisture and friction meet. The answer is a fabric that move...
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Clothes for hot days
Short answer: Choose thin fabrics that move moisture, light or muted colours, and a fit that lets air in. The materia...
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When is a hoodie too warm
Short answer: When you sweat indoors without moving. Then the fabric is too thick for the room, and a sweatshirt or a...
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Warmth compared
Short answer: Wool is the warmest, followed by thick fabrics made of cotton and bamboo. When it comes to warmth, the ...
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