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发帖数: 377 | 1 A sleeping bag's temperature or "comfort" rating identifies the most extreme
temperature the bag is designed to accommodate. When you hear a bag described
as a "+20 bag," it suggests most users should remain comfortable if the air
temperature drops no lower than 20 degrees Fahrenheit.
Are such ratings infallible? No. Humans all have different metabolic rates,
and no industry standards exist that uniformly determine sleeping bag comfort
ratings. Instead, each manufacturer assigns a rating to its |
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