10 Best Heat-insulating Winter Clothes From Amazon

Ask a cold-climate traveler how they stay warm in freezing temperatures, and chances are they’ll mention heat technology clothing. These items will keep you warm in the coldest conditions by insulating body heat, making them a go-to for skiers, hikers, and residents of super-cold climates.

From traditional long johns to Uniqlo’s fan-favorite HeatTech line, heat-insulating clothing is essential. Just ask my mom, a lifelong Chicago teacher who swears by her HeatTech turtleneck and Knitted Tights for below-freezing recess duty. Below, I’ve found 10 of the best heat-insulating winter clothes styles at Amazon, Eddie Bauer, and Columbia — as well as my mom’s tried-and-true favorites from Uniqlo. Each pick is ready to elevate your cold-weather wardrobe with its high-performing fabric, versatility, and, of course, comfortable fit. Best of all, prices start at just $20.

Telaleo Women’s Thermal Shirts 4-pack

Telaleo’s heat lock technology is designed to retain heat and keep you warm for 24 hours. These shirts are lined with fleece, making them super warm and soft to the touch, while the four-way stretch allows you to stay active without any restricted movement. Shoppers raved about the impressive warmth in their reviews, and one buyer even wrote that they often remove their jacket in sub-zero temperatures thanks to this thermal.

Thermajane Women’s Thermal Long Johns

If you prefer to stay warm the old-fashioned way, these long johns don’t disappoint. They have over 34,000 five-star ratings at Amazon for their warmth, softness, and breathability. One shopper even reported wearing them on an expedition to Antarctica and wrote that they were “comfortably warm when walking around in subzero temperatures.”

Thermajohn Men’s Thermal Long Johns

The male version of these long johns is just as lauded, with over 40,000 five-star ratings. One reviewer wrote that the long johns kept them warm “on top of a snow-covered mountain in Canada.” They’re stretchy, moisture-wicking, and lined with fleece to keep you warm and comfortable no matter the activity.

Uniqlo Women’s HeatTech Cashmere Blend Turtleneck

Uniqlo’s HeatTech line includes so many unique styles, including this cashmere turtleneck that’s both warm and stylish. Reviewers frequently noted the warm and soft fabric, adding that this turtleneck is so easy to layer under sweatshirts, sweaters, and jackets, too – whether you’re on the slopes, a sightseeing tour, an everyday excursion.

Uniqlo Men’s HeatTech Ultra Warm Turtleneck

The men’s turtleneck comes in three different classic colors, and it’s more than twice as warm as standard HeatTech clothing thanks to its “ultra-warm” design, according to the brand. It wicks moisture and preserves body temperature to keep you comfortable during outdoor activities. Though it makes a snug base layer, this sweater can also be worn on its own for a casual yet warm travel day look.

Uniqlo Men’s HeatTech Pile-lined Sweatpants

These heat-retaining sweatpants make for the perfect travel pants if you’re heading to a cold-weather destination. In addition to Uniqlo’s signature heat retention technology, these sweatpants feature a soft brushed interior and a tapered fit to keep the cold out. You’ll be especially glad you packed them when it’s time to curl up in them back in your hotel room.

Eddie Bauer Men’s Faux Shearling-lined Thermal Henley

Who says functional clothing can’t look good? This thermal henley is lined with faux shearling, so it will keep you toasty no matter the conditions. One reviewer called it “a great base layer for early morning dog walks when it is in the teens or lower.” Needless to say, if you’re heading to a freezing destination, this henley is a no-brainer.

Eddie Bauer Women’s Thermal Tech Crew

This crewneck is designed for being active in the cold outdoors, so it will insulate heat and wick away moisture. According to the brand, it also features odor-controlling technology so you can stay fresh while hiking and skiing. This is good news if you’ll have to be re-wearing the top during your travels, as it won’t give away how long it’s been between trips to the wash.

Uniqlo Women’s HeatTech Knitted Tights

These HeatTech tights are a must-have for dressed-up dinners on a wintery vacation. In addition to heat-insulating technology, they feature an odor-eliminating design. Plus, they come in three different colors to pair with any outfit. Wear them under skirts, dresses, and even pants to add an extra layer of warmth to your look.

Columbia Men’s Crystal Leaf Omni-Heat Half-zip Pullover

Take on any outdoor exercise or activity with this half-zip, which insulates heat and wicks away moisture. This jacket is designed with hikers in mind, so it offers freedom of movement and will keep you warm at high altitudes. 

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