Pack or skip
Packable down jacket for Busan in May
Verdict
Optional
Handy for evening chills; skip if you're tight on space.
Why
Busan in May averages highs of 69°F, lows of 55°F, 9 rainy days.
That climate makes a packable down jacket a judgment call. Handy for evening chills; skip if you're tight on space.