c**y 发帖数: 377 | 1 Many factors affect your ability to keep warm inside a sleeping bag:
The insulating pad beneath your bag (when sleeping on frosty ground at high
elevation, you need a full-length pad to keep you separated from the cold;
when sleeping on snow or frozen ground, two pads are recommended)
The presence/absence of a tent (a tent or bivy shelter traps an extra layer of
dead air, warming it by up to 10 degrees)
Your metabolism; you might be a "cold sleeper" (and thus one who prefers extra
insulation whe |
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