Pack or skip
Packable down jacket for Busan in June
Verdict
Optional
Handy for evening chills; skip if you're tight on space.
Why
Busan in June averages highs of 75°F, lows of 63°F, 10 rainy days.
That climate makes a packable down jacket a judgment call. Handy for evening chills; skip if you're tight on space.