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Never One Place.

Always One Jacket.

ThermoBall insulates, packs, and feels like down, but delivers total versatility. It provides uncompromising warmth even when wet, making it the new go-to jacket for any adventure.

thermoball

the new synthetic alternative to down


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.  

Independent CLO testing has shown that Thermoball™ technology can offer the low weight, loft, warmth, and compressibility of down with the wet-weather insulating performance of synthetics.

BENEFITS

  • Thermoball Collection features Thermoball insulation technology
  • Lightweight
  • Phenomenal warmth in cold and wet conditions
  • Packs neatly into zipper pocket (not all styles pack into zipper pocket.)
  • Insulates even when wet