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Outdoors版 - Choosing sleeping bags (3)
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c**y
发帖数: 377
1
Synthetic Materials
Synthetic materials are basically plastic threads (extruded polymers, to be
technical). The threads are most commonly a continuous filament (a long,
single strand). They can also be arranged in short "staples" up to four inches
long. Usually the threads
are hollow, reducing their weight and enabling them to trap more air.
The advantages of synthetic fill include:
It still provides some insulation when wet; plus it dries fairly quickly.
It's less expensive than down.
It's non-
1 (共1页)
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