In terms of flexibility, this set has 4-way stretch. It wears tight on the skin but moves naturally with your body’s movements. The set’s sleek look makes it great for wearing alone for a run.

15. Under Armour Coldgear Legging Bottoms

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If you don’t want the cold weather to affect your workout, this underwear is a perfect choice. It’s made from a unique dual-layer fabric that hugs the skin. It’s thin and designed to feel seamless, moving and flexing with every motion.

Despite this, the material wicks away moisture and keeps you warm.

16. Wolverine Heavy Weight

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Despite its simplicity, this underwear is capable of keeping you warm in virtually any environment. It’s made for rough and extreme conditions. The raschel knit pattern prevents your body heat from escaping while evaporating sweat. Strengthened seams, a comfortable elastic waistband, and tight cuffs around the ankles increase performance and longevity for men that brave the cold.

17. Wolverine Tech Grind Performance

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From Wolverine, this underwear is available in a few cool colors that pop. The dual-layer construction does double duty to keep you comfortable and warm. A smooth layer reduces friction and chaffing as the additional suede grid inside locks in heat and keeps sweat at bay. Reinforced stitching adds durability for years of use.