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Polartec® Alpha™: Active insulation that changed the rules of technical clothing

di - 28/06/2025

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In the world of outdoor and high-performance apparel, few fabrics have marked a revolution like Polartec® Alpha™. Thirteen years after its launch, this technology developed by Polartec – a brand of Milliken & Company – continues to redefine the concept of active insulation. To celebrate its evolution, Alpha Rewind is born, a campaign that traces the stages of an innovation that has changed the way those facing extreme environments and unpredictable conditions dress.

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Isolation that adapts to your rhythmv

Polartec® Alpha™ was created for a specific need: to provide insulation that doesn’t stifle physical activity. Unlike traditional insulations that are often warm but not breathable, Alpha™ is a fabric that breathes, adapts, dries quickly and provides warmth without weight, even during intermittent or high-intensity activity.

The result is dynamic thermal regulation: it keeps the body warm when needed, but releases excess heat when the intensity of the effort increases, avoiding overheating and annoying accumulations of humidity.

Polartec

Versatile technology, from peaks to streetwear

Today, Polartec® Alpha™ is available in multiple versions and weights, making it extremely versatile: it can be used as a technical midlayer for mountaineering, an insulating layer for hiking and skiing, or as a hybrid or single piece even in the world of technical and urban outdoor fashion.

Not only that. There are also versions that integrate natural wool, combining the thermoregulating comfort of natural fibers with the high performance of synthetic materials. This flexibility has made Alpha™ a precious ally for athletes, mountaineers, trail runners, skiers and mountain enthusiasts, but also for designers and brands that want to combine style and functionality.

The key features

  • Active temperature regulation: ideal for variable conditions.
  • Highly breathable and quick drying.
  • Compressible and lightweight: perfect for those looking for technical clothing that is not bulky.
  • Soft and comfortable: it can also be worn in direct contact with the skin.
Polartec

A decade of innovation

Ramesh Kesh, Senior Vice President of Milliken & Company and Business Manager of Polartec, comments:

“For more than a decade, Polartec® Alpha™ has defied expectations and revolutionized insulation. Its ability to adapt, breathe, and move with the wearer has made it a staple not only in the outdoors, but also in the military and fashion industries.”

With Alpha Rewind, Polartec celebrates a fabric that marked a before and after in the world of active insulation. And with an outdoor community that is increasingly aware and demanding, the future of technical clothing can only start from here.

Camilla cresce a Torino dove si laurea in giurisprudenza, frequenta un master in Sport e Business management, ma capisce ben presto che la sua strada la porta in montagna. Dopo anni di Sci club, diventa maestra ed allenatrice di sci alpino e comincia a frequentare sempre di più le montagne che oggi sono casa. Sci alpinismo, alpinismo, trail running ed arrampicata sono le attività in cui spende ogni singola energia e, grazie alle quali, l’ha portata a scrivere ed a collaborare con le diverse aziende del settore outdoor.