Thermal underwear (formerly known as “long johns”, now elegantly called “base layers” or “thermals”) can be an absolute lifesaver. Throw them on under a pair of sweatpants or winter-weight jeans to ...

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While every serious thermal hunter is going to want a dedicated heat-detecting rifle scope, I’d make the case that thermal monoculars and binoculars are more versatile than weapon-mounted sights. The ...

Long johns, base layers, skivvies—there are many names for thermal underwear for men. But the main purpose of these cozy tights is the same no matter what you call them: they retain heat and ...