Seasonal (Bugs & Cold)
Japan's humid summers mean bugs; winters mean ground chill. One seasonal add changes everything.
Bug protection (summer)
Best for: Mosquitoes and gnats make or break a Japanese summer camp night.
What to check
- Outdoor coverage area
- Battery vs gas
- Pairing with skin repellent
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Insulated sleeping mat (winter)
Best for: For winter ground chill, mat R-value matters more than the sleeping bag — check it first.
What to check
- R-value (insulation)
- Pack size
- Inflatable vs foam
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