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❄️ Stay warm, stay classic — the union suit your winter wardrobe deserves!
The Indera Men's Cotton Rib Knit Union Suit is a lightweight, 5.5 oz 100% cotton base layer designed for cold weather and medium activity. Featuring a full button front, vertical rear seat, ribbed cuffs, and a tag-free label, it offers vintage-inspired warmth and comfort. Ideal for layering during work, lounging, or outdoor adventures, it’s machine washable to maintain fit and durability.













| ASIN | B000O5RMHK |
| Best Sellers Rank | #268,476 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #4 in Men's Thermal Underwear Union Suits |
| Brand Name | Indera |
| Care instructions | Machine Wash |
| Closure Type | Button |
| Color | White |
| Customer Reviews | 4.4 out of 5 stars 3,192 Reviews |
| Fabric Type | 100% Cotton |
| Fabric type | 100% Cotton |
| Global Trade Identification Number | 00091641100686 |
| Item Type Name | Underwear Union Suits |
| Item Weight | 1 Pounds |
| Manufacturer | ColdPruf Baselayer |
| Material | Cotton |
| Neck Style | Henley Neck |
| Origin | Imported |
| Part Number | 860US |
| Product Care Instructions | Machine Wash |
| Size | Large |
| Sleeve Type | Long Sleeve |
| Style | Cotton Rib Knit Union Suit |
| Style Number | 860USLGWH |
| UPC | 091641100686 |
K**T
Good buy!
Exactly as expected, got this as part of a Halloween costume but it will be well used this winter between hunting season and playing outside. It fits well and my son loves his union suit! Warm, comfy, and great for layering under clothes for winter.
P**Z
True to size suggested
This fit just right . Medium. I’m 5’7” @ 142lbs . Another brand name I tried had such a big baggy crotch it was down to my knees . Returned it . This one had a nice fit in the mid section with no excess ! Mid weight fabric and well assembled . Laundered my red with no significant color change. 100% cotton so cold water , low heat dry = perfect ! I did stretch out the leg and arm cuffs as I felt they were a bit snug . I did this while damp from the washing machine than into the dryer and now a comfortable fit . NO EVIDENCE of BUTTONS loosening let alone come off . I’m very satisfied with this union suit .
W**M
Much better than originally thought
While this is a nice item, it is T shirt weight and not really a thermal union suit. While they don't call it that I believe it needs to be said. It also runs small, buy a size up. Adding to my review. After I received this union suit I ordered a Carhartt suit on Amazon for $75. I was very disappointed, super thin material no wrist or ankle cuffs. Just cheap. After wearing and washing the Indera suit a few times, I find it has held up very well. it is comfortable and warm. The suit also grew a bit so it is not too tight just snug. After comparing it to the Carhartt suit, I have added a fourth star to my review. This is well worth the money
M**T
Fantastic union suit
Best purchase of 2026!
T**K
Warm
Love these, originally I got this as part of a old west halloween costume and as winter came i found my self wearing these a lot. Only cons slit in the back could be bigger and the material could be a little thicker but as a base layer great
B**E
Fit was almost spot on
Love these long johns, super comfortable and the fit was almost perfect minus the length, but I'm not very tall. I'm 5'7" about 190 pounds with a 28" inseam and broad shouldered, the body fits perfectly, snug, but enough room to bend and twist with a tiny bit of slack. The legs however, are about 2-2½" longer, so they bunch a little around the ankles..but nothing too crazy. No complaints at all.
N**T
Loooong johnss
The long johns definitely fit. Really way to long but that made them easier to put on. I really like them and will order a smaller size. Thanks
J**E
Pretty cheaply made
This might be good for a couple wears. After the first wash, I had to sew the button back on the back flap. But first I had to sew the material because it ripped the material and not just the threading that was holding the button on. So that was kind of a mess. They are very thin but do provide some warmth somehow. They stretch out very easily but that should not be a problem because you should be washing them often. The problem is I don't think they are going to hold up for very many washes or wears. The thing people are mentioning about the buttons being too far apart and they're being gaps where you can see through to your skin in between the buttons? That's 100% accurate. You can't wear these around anybody that you don't seeing you naked. I would buy these again if they were priced around $10 or so, but for this price I would not buy them again. Overpriced is putting it politely.
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