Pack or skip
Packable down jacket for Knoxville in January
Verdict
Pack it
Lows around 29°F — the packable puffer covers 90% of layering needs.
Why
Knoxville in January averages highs of 48°F, lows of 29°F, 11 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 29°F — the packable puffer covers 90% of layering needs.