ThermoBall™ is a revolution in synthetic insulation technology. Unlike traditional, continuous-filament synthetic insulations, the small, round synthetic fiber clusters closely to mimic down clusters; trapping heat within small air pockets to retain warmth.

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Exploration Without Compromise

Explore Without Compromise

We’ve made it easy to spot our most sustainable products on our website with our “Exploration Without Compromise” badge. To earn the badge, apparel, equipment, and accessories must be made with 75% or greater recycled, regenerative and/or responsibly-sourced renewable materials by weight. If the product has a DWR finish, it must be a non-perfluorinated chemicals (non-PFC) DWR.

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