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๐ฅ Elevate Your Winter Wardrobe!
Thermajohn Long Johns are a premium thermal underwear set designed for men, featuring a fleece lining for added warmth, advanced thermal insulation, and a flexible 4-way stretch fabric, making them ideal for cold weather and active lifestyles.



















| ASIN | B019EEJX9Q |
| Age Range Description | Adult |
| Apparel Closure Type | Pull On |
| Best Sellers Rank | #64,039 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #26 in Men's Thermal Underwear |
| Brand Name | Thermajohn |
| Care instructions | Machine Wash |
| Collection Name | Winter |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 43,962 Reviews |
| Fabric Type | 92% Polyester, 8% Spandex |
| Fabric type | 92% Polyester, 8% Spandex |
| Fit Type | Stretch |
| Global Trade Identification Number | 00810000410491 |
| Item Type Name | Base Layer Set |
| Item Weight | 13 Ounces |
| Manufacturer | Thermajohn |
| Manufacturer Part Number | LYSB019EEJX9Q-SPRTSEQIP |
| Material Type | Polyester |
| Neck Style | Crew Neck |
| Origin | Imported |
| Package Quantity | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | Small |
| Sleeve Type | Long Sleeve |
| Style Name | Crewneck Set |
| Style Number | J-t-m-1836 |
| UPC | 810000410491 |
| Unit Count | 1 Count |
B**Z
Helps while working out in the cold
I recently bought these thermal long johns for my boyfriend, who works in a cold environment, and they have been an absolute game-changer! Not only do they keep him warm and comfortable throughout his entire shift, but they also allow him to move freely without feeling restricted. The material is top-notch, providing excellent insulation without adding unnecessary bulk. One of the best things about these long johns is their versatility. He can wear them under his work uniform for added warmth or even use them as a base layer during outdoor activities. The quality is evident, and they have held up remarkably well even after multiple washes. Additionally, the fit is spot on, and he loves how they donโt ride up or bunch during the day. They are true to size and provide a snug yet comfortable fit that doesnโt hinder movement. Overall, I highly recommend these thermal long johns to anyone working in cold conditions or anyone looking for reliable and comfortable thermal wear. They have exceeded our expectations in terms of warmth, comfort, and durability. A definite five-star product!
V**R
Very comfortable
I am very happy with the purchase of these long Johns . They fit true to size and will stretch if need be. I put them on and could feel my legs warming up right away. Worth the money.
R**Y
Keeps you pretty warm for a good price!
I bought this for my husband, we had our anniversary trip to Colorado and it was snowing pretty hard! He mentioned that it was comfortable and that itโs not hard to slip on, it kept him warm throughout the cold weather and it was easy to layer. I think that itโs a pretty good fit and itโs thin enough to put under thicker clothes for winter time! He wore it under this thick winter jacket and it was perfect!
K**S
Good value for what they are.
As the owner of an Akita who is virtually weatherproof and likes his two walks a day. And as an interior trim carpenter who is often working an environment where I'm out in the cold, and then warmth of inside as a continuous cycle my search for the perfect thermal continues. The two keys to staying warm in cold weather is preventing air infiltration, while not dressing so warm that activity causes you to sweat. First, the good things. Both the top and bottoms are very comfortable. Although "large" was recommended, I went with medium and both the top and the bottom fit like a second skin. No bunching, they move with my body and I notice no creep in the material. Both garments appear well made, labeling is printed (a HUGE plus in my opinion) and very soft feeling. I'm confident that once I just wear them, instead of paying attention to their warmth purpose I'll forget I have them on. At rest, in the warmth of a heated house, they will not overheat you which can be a downside to some thermals in my experience. Now to the purpose. Warmth. This morning temp is 40 (f) with a "feels like" of 35. Light NW breeze. On our morning walk (more of a stroll, since the pup is getting up in years these days) I wouldn't call myself warm, per se, but comfortably cool. I estimate the bottoms will probably hold my warmth down to an outside temp of about 30 (f) but not much colder than that. Having said that, under moderate to vigorous exercise/work I'm sure they'll perform better. The top kept my torso (core) warm, with a cotton long sleeve over it, and then a regular shirt over that (and a medium weight jacket over that). Legs with just the base layer and a pair of cargo pants over, I could feel air infiltration. Not bad for what these are - a thin base layer. Though, not as good as some other thermals I've had (and am having a hard time finding again, bought them as military suplus). I'm going to be keeping these, they'll work on days like this. I can also see these as being a good choice on days that start out in the 30's and end in the upper 50's without overheating. The only reason I gave them 4 stars is because they still aren't quite what I'm looking for - which is a thermal that will perform well into the 20's with minimal overheating inside.
D**L
Keeps you warm
Worked well, kept me warm in February winter weather in northern Michigan
C**.
Great product!
Got these for my son as a Christmas present since he works outside doing construction. He absolutely loved them. Said they were very warm but not to the point of sweating and a comfortable fit that moved freely with motion without binding.
O**L
That second layer Skin for Cold Weather
The sizes are good. I wear a Large, my son also wears the Large I am 5โ8โ. and heโs 6โ1 I could probably use the medium due to the extra 3 inches in the pant length in the Large. The Large top is good for us both (accurate size) This is probably my 4th time ordering for me and my son. Itโs easier because Amazon has the option to buy again. I did. Thickness, softness is great. The top looks great without an outer garment. I still need 2 more sets.
T**D
Much needed this Winter.
Comfortable
T**S
Buena, no excelente
El producto es calientito y cรณmodo, pero ya desde los primeros dรญas es notorio que la tela se le hacen bolitas.
N**H
ุซูุฑู ุงู ู ู ุชุงุฒ
ูุงุนู ูู ุฑูุญ
W**L
Best thermals I've got
I've got about 4 pairs of thermals. These are the best. Took them to Iceland in November. They do the job. Warm, comfortable and good fit
G**S
buen producto
excelente calidad y buen precio
A**S
Excelente
Excelente
Trustpilot
1 week ago
2 days ago