Thermajohn

Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather

1732+ bought in the past month

$24.99$32.99
$24.99
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Technical specifications

departmentmens
date_first_availableNovember 8, 2024
manufacturerThermajohn
product_warrantyFor warranty information about this product, please click here
best_sellers_rank#148,739 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #63 in Men's Thermal Underwear Bottoms

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Customer reviews

4.61,567 ratings

Customers say

Customers find these long johns keep them warm without feeling bulky and appreciate their comfort, with one noting they're not scratchy or itchy. Customers like the fit, particularly for small and extra small people, and the thickness, with one mentioning they're not thick and bulky.

★★★★★

Perfect for Cold Weather Travel!

TicozolanoMarch 31, 2025✓ Verified purchase

I recently purchased the Thermajohn Long Johns Thermal Underwear for Men, and I couldn't be happier with my choice. The fleece-lined base layer set is incredibly comfortable and warm, making it ideal for my upcoming trip to Great Britain in April. Despite the chilly weather, I feel confident that these thermals will keep me cozy and comfortable throughout my travels. The fit is perfect, and the material is soft against the skin, without any irritation. The quality is top-notch, and I hope they hold up well after multiple washes. I highly recommend these long johns to anyone looking for reliable and effective thermal underwear for cold weather. A great investment for any traveler! Read more

★★★★★

Cozy

Louis FrayserFebruary 18, 2026✓ Verified purchase

Great inside but they don't stop the wind as much as I expected when outdoors. They are warm considering their thiness. They are resistant to runs (seemingly) as I recall polyester was (back in the day.) The fit is good, snug. Read more

★★★★★

Very comfortable fit

Haniel GordonFebruary 1, 2026✓ Verified purchase

I enjoy using this underwear keep me warm Read more

★★★★☆

Thin but comfy

justin smithOctober 1, 2025✓ Verified purchase

Thin. But comfy Read more

★★★★★

Great for cold office

Jake GratkowskiAugust 1, 2025✓ Verified purchase

Everyday work wear. Keeps my dress shirts clean and don’t have to wash my dress clothes after every wear. The material feels spongy and like a thick memory foam in a way. I wear these in the winter and summer in my office because they keep the office too cold for me. These help regulate my body temperature. Also they just feel comfy like getting a light hug and little thickness to my thin dress clothes. I like the vneck because you can’t see the undershirt with a button up dress shirt so nobody knows I’m wearing thermals. Read more

★★★★★

Extremely Comfortable and Very warm

RDecember 21, 2025✓ Verified purchase

Very comfortable and warm Read more

★★★★★

Superior Winter Wear!

Stephen KFebruary 27, 2025✓ Verified purchase

The quality of these tops and bottoms far exceed the cost — they are super lightweight and still provide the kind of warmth anyone would want (even in the rare chilled days of Texas winters). They feel more than comfortable, and have a ‘slick’ and easy touch when worn beneath any surface clothing, hardly noticeable at all — except that the cold stays outside, where it belongs. I couldn’t be happier! Read more

★★★★★

Great Solution for Cold temperature climates.

Jonathan LeafOctober 5, 2025✓ Verified purchase

Exceptional quality at a low cost. Read more

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