Pack or skip
Packable down jacket for Busan in October
Verdict
Optional
Handy for evening chills; skip if you're tight on space.
Why
Busan in October averages highs of 69°F, lows of 56°F, 7 rainy days.
That climate makes a packable down jacket a judgment call. Handy for evening chills; skip if you're tight on space.