When old man Winter comes around, it’s time for men to take out their warm wardrobe and prepare for the onslaught of cold weather. Thermal underwear is one of the best ways to stay toasty in the frigid temps.

It insulates your lower body and retains heat, preventing that all-too-familiar numb feeling you get in the snow.

If you’re worried about thermal underwear cramping your style, don’t fret. It’s made to be worn underneath your clothes, acting like a base foundation for layering.

The best thermal threads will keep you warm and dry without anyone ever knowing you have them on.

Whether you’re going out for a cool stroll in the park or speeding down a ski slope, keep warm and dry with the top 17 best thermal underwear for men below.

Best Thermal Underwear For Men

1. Minus33 Kancamagus Midweight Bottom Merino Wool

Check Price

Available in a range of colors, there’s an option to suit any man’s style. It’s made from 100% merino wool. Not only is the material very effective for insulation and warmth, but it’s also fire resistant, anti-microbial, and very breathable. The mid-weight underwear has you covered, no matter where your winter takes you.

2. Duofold Mid Weight Wicking

Check Price

Basic in style, this option from Duofold packs a unique punch. It has two layers of fabric knit together to provide the best protection from the cold. Despite this, the combination of cotton and polyester make it comfortable to wear throughout the day. On top of that, the underwear keeps you dry and prevents chaffing on the band.

3. Carhartt Base Force Wicking Cotton Super Cold Weather

Check Price

Created for men on the go, this thermal underwear from Carhartt is built to last. It’s made from 100% cotton throughout to keep you warm and get rid of sweat. Reinforced stitching and rugged cuffs seal in body heat no matter what you’re doing. Take on even the harshest cold with no worries in this underwear.