THERMOBALL

The new synthetic alternative to down. ThermoBall™ is a revolution in insulation technology.

thermoball eco jacket

The North Face developed a partnership with PrimaLoft® to offer a new synthetic alternative to down. ThermoBall™ is a revolution in insulation technology. Unlike traditional, continuous-filament synthetic insulations, the small round PrimaLoft® synthetic fiber clusters closely to mimic down clusters; trapping heat within small air pockets to retain warmth.

BENEFITS
  • Lightweight
  • Phenomenal warmth in cold and wet conditions
  • Packs neatly into zipper pocket (not all styles)
  • Insulates even when wet

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