LifeLabs' MegaWarm Is the World's Warmest Jacket

With a CLO insulation rating of 9.25, the MegaWarm jacket is 38 percent warmer than the Canada Goose Snow Mantra.

lifelabs jacket

Plenty of jackets boast supreme heat retention, but how many can say they're actually the warmest jacket on the market. With a stunning 9.25 CLO rating — a system developed in 1941 to measure the degree of insulation provided by an article of clothing (for context, a business suit is 1 CLO) — LifeLabs' MegaWarm jacket is literally rated as the warmest jacket on the planet. This begins with the brand's proprietary WarmLife technology, which is designed to retain heat while being as breathable as possible. On top of using 800 fill power ethically-sourced goose down, the MegaWarm uses less than a paper clip’s worth of aluminum to reflect 100 percent of radiant body heat back onto the skin. Taken together, the approach gives a supreme warmth-to-weight ratio. That's incredibly important, given that LifeLabs designed the MegaWarm to be packable with an ultra-lightweight build. Most importantly, LifeLabs' commitment to sustainability isn't just isolated to its responsibly sourced goose down, the MegaWarm uses 91 percent recycled materials by fabric weight and compostable packaging.

Price: $693


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