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'Toasty and warm': Shoppers adore this cozy thermal underwear set, just $32

Power through the cold in comfort with these 'buttery soft' Amazon favorites.

Listen, we know thermal underwear isn't exactly the sexiest purchase — but it's definitely among the most useful. Now that the winter chill has set in, there's no wardrobe staple you'll appreciate more than soft, comfy thermals. By day, they're a perfect base layer; by night, they're just right for lounging and sleeping. Is your closet ready for the cold? If not, a set of Weerti Thermal Underwear is an affordable $32.

Thin yet warm, insulating but "buttery soft," these microfiber long johns are just the ticket for fending off the chill. 

$32 at Amazon

Once you have a great set of long johns, you'll wonder how you ever lived without it. The Weerti set is comfortable all day. Fans say it fits like a second skin, minimizing heat loss without weighing you down with heavy fabric. And speaking of the fabric, this isn't one of those itchy-scratchy raw-wool endurance tests; it's made of lightweight microfiber (and a touch of spandex). These are super-soft, breathable and fleece-y on the inside. Strong stitching guards against snags and tears. Choose from six colors in sizes XXS to 3XL.

Here's the cozy base layer your body needs for the next few months. (Amazon)
Here's the cozy base layer your body needs for the next few months. (Amazon)

More than 8,500 Amazon shoppers have given Weerti Thermal Underwear a five-star rating, with many calling out the loungers' warmth, comfort and value.

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"I think these thermal underwear are the best I've ever worn," raved one reviewer. "They are very soft and boy, do they keep you toasty and warm."

"This fabric is so soft it feels like butter, but it retains its shape and is stretchy enough," said another fan. "It fit very well except the pants were a little bit long but I’m pretty short (5'2") so that's not a big deal. I definitely recommend this to wear under your regular clothes to keep you warm in cold climates."

"I absolutely love these," gushed a third shopper. "They are buttery soft and thin, yet keep your body warm. Wore them under jeans and a sweatshirt to a 40 degree football game at night and was never once cold."

Take good care of these if you want them to last, cautions a final reviewer. "They kept my body warm and toasty. I loved the fit when they were brand new, but I made the mistake of washing them in hot water and putting them in the dryer. Not only did this cause shrinkage but pilling on the shirt as well. If I were ever to buy them again I would wash them in cold water on the delicate cycle and hang them to dry on a drying rack. They are very cute though, and the inside is lined with fleece."

Choose from this vibrant purple, red, black, white, gray and navy.

$32 at Amazon

If you have Amazon Prime, you'll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $35 or more.)

The reviews quoted above reflect the most recent versions at the time of publication.