The Science of Staying Warm: Innovations in Insulation w/ PrimaLoft
GEAR:3021 Nov 2025

The Science of Staying Warm: Innovations in Insulation w/ PrimaLoft

If you’ve worn a puffy jacket in the past 30+ years, there’s a good chance it used PrimaLoft insulation. And they’ve just announced their warmest insulation to date. So today, we get all the details on PrimaLoft UltraPeak from Andrea Paulson, PrimaLoft’s Senior Vice President of Innovation & Technology — and learn a ton about insulation in general along the way. Whether you’re curious about the latest puffy tech or just want to learn more about how to stay warm in the outdoors, this one’s for you.

RELATED LINKS:

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Blister Review (our original channel)

TOPICS & TIMES:

PrimaLoft History (3:07)

Ultra Peak (9:41)

What’s Driven Innovation? (16:03)

UltraPeak vs. Other Insulation (19:08)

Warmth to Weight & CLO Values (21:20)

UltraPeak Use Cases (27:15)

Weights of Insulations (28:33)

Breathable Insulation (36:03)

Other New PrimaLoft Products (40:09)

How To Care for Your Insulation (45:53)

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