Pack or skip
Packable down jacket for Osaka in February
Verdict
Pack it
Lows around 36°F — the packable puffer covers 90% of layering needs.
Why
Osaka in February averages highs of 50°F, lows of 36°F, 7 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 36°F — the packable puffer covers 90% of layering needs.