From traditional long johns to Uniqlo’s fan-favorite HeatTech line, heat-insulating clothing is essential. Just ask my mom, a ...

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“Uniqlo’s Heattech are the only thermals I use because they actually keep me warm without feeling thick and suffocating,” says NBC Select editorial projects manager Rebecca Rodriguez.

I needed a jacket that would keep me warm for my travels throughout Europe without taking up too much space in my suitcase. I thought back to the Uniqlo Ultra Light Down jacket I had lost two ...

Made from Uniqlo's signature puffertech ... and feels luxurious against the skin. It is ultra-reliable during the winter months, keeping me warm without being bulky." They added that "The size ...

Uniqlo’s HeatTech line includes so many unique ... and it’s more than twice as warm as standard HeatTech clothing thanks to its "ultra-warm" design, according to the brand.