ThermoBall™ insulated jackets from The North Face use PrimaLoft® to create a synthetic alternative to down feather insulation in hiking jackets. PrimaLoft® special fibres are small and round and mimic down feather clusters to trap heat and keep you warm. ThermoBall™ insulated jackets have a low weight and insulated like a down feather but have the wet weather performance of synthetic insulation.
About The North Face Thermoball Insulated Jackets
- ThermoBall Collection features Thermoball insulation technology
- Phenomenal warmth in cold and wet conditions
- Packs neatly into zipper pocket (not all styles pack into zipper pocket.)
- Insulates even when wet