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What affects the warmth?Down Quality Generally the more down in a jacket (fill weight), the warmer it is going to be but this assumes the down is the same quality. However, down quality can vary significantly and is measured by its fill power. A higher fill power down will keep you warmer than a lower fill power. To make matters worse there are two widely recognised methods of measuring Fill Power …

A Box-wall down jacket is one that utilises 'Box-wall' construction for it's baffles. Baffles are the pockets of space that are created between two layers of fabric which then hold the goose or duck down that is in your jacket. These chambers filled with down are how the jacket keeps you warm. Your body heat warms the air around it through radiating that heat, when you are wearing a down jacket th …

Merino is a type of wool that comes specifically from a merino sheep. The merino sheep breed came originally from Spain but was domesticated and bred on a commercial scale in New Zealand and Australia, with Australia still producing around 80% of the worlds merino today. The merino sheep thrives in hostile conditions where other breeds would perish, meaning that they have developed a high quality …

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