Go to main content
 Since 1984 

High performance, sustainable insulation

At PrimaLoft®, our insulation is made for real use. In the cold, in the wet, through active movement and in extreme conditions.

Our innovations power the gear you rely on for warmth, comfort, and protection. No matter the conditions.

 Performance starts within 

What is PrimaLoft insulation?

Warm without the weight. Loft without the bulk. Built to perform when the weather changes.

PrimaLoft® insulation starts with synthetic microfibers. From there, different constructions and technologies are engineered to deliver lightweight warmth, breathable comfort, durable protection or temperature regulation.

For everyday commutes, to alpine expeditions.

 40 Years of PrimaLoft® History 

Born in extremes.
Built for everywhere.

Discover our journey, from our first breakthrough to today. Meet the people, technologies and milestones behind four decades of innovation.

 The Relentlessly Responsible™ Approach 

Relentlessly Responsible™: Innovation with purpose.

Relentlessly Responsible™ is our commitment to using innovation to drive performance and sustainability, elevating both without compromise.

Skip slider

Made for the realities of the outdoors.

  • Trusted by leading brands
    Patagonia, adidas TERREX, Arc’teryx–more than 1000 brand partnerships worldwide.
  • Warm and lightweight
    Keeps you warm without weighing you down, even in wet conditions.
  • Designed for lower impact
    70% of our products are made with 100% recycled content, and that number continues to grow.
  • Tested in the world's toughest conditions
    Built on insights from athletes, explorers and professionals operating in extreme environments.

The 2023-2024 PrimaLoft® Relentlessly Responsible™ Report

Frequently Asked Questions