Pack or skip
Packable down jacket for Osaka in November
Verdict
Pack it
Lows around 47°F — the packable puffer covers 90% of layering needs.
Why
Osaka in November averages highs of 62°F, lows of 47°F, 7 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 47°F — the packable puffer covers 90% of layering needs.