Thermoball

Thermoball

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.

Shop Thermoball

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.

Learn More

Related Products
Combining stretchability with 700-fill down insulation the slim-fit ...
Description:
Combining stretchability with 700-fill down insulation the slim-fit water-repellent Women's Stretch Down Vest can be worn as an inner or outer layer depending on the weather and your style.
The slim-fit Shelter Cove Vest is a water-repellent ...
Description:
The slim-fit Shelter Cove Vest is a water-repellent and windproof layer made with a 100% recycled main fabric. Ideal for hiking it uses body-mapped Heatseeker™ Eco insulation to deliver targeted versatile warmth without the unnecessary bulk.