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Men's Thermal Underwear Union Suit with Butt Flap
Classic, Warm and Always Comfortable
Wear our classic thermal union suit as a base layer for added warmth or alone for sleeping on chilly nights.
Skin Fabric for Comfortable
- Wicks moisture away to keep you dry & comfortable
- Nature stretch skin fabric for comfortable fit
- Button front with one-button closure in back
- Base layer underwear closure
Richard “Aries” Christ
Reviewed in the United States on March 9, 2023
size tan larger than I expected. not very warm.
R. L. Be
Reviewed in the United States on March 13, 2023
This would be overkill and too hot if I were to use it for preventing the dreaded crack in the back for winter hiking since I overheat easily while moving. I will continue to look for solutions, & am considering using a long nightgown instead since unbuttoning for #1 & 2 would be too tedious.
AKFletch
Reviewed in the United States on March 11, 2023
These are great, especially for price. A little bigger than most other brands, both longer and fatter. Butt slit stays closed w/o buttoning.
Aiden
Reviewed in the United States on October 9, 2022
The fabric is soft, the fit is good. I wish the opening was a touch longer but oh well, one of the buttons popped off as soon as I unfastened it and a second one is literally hanging by a thread,
Leo
Reviewed in the United States on October 31, 2022
This pajama set is super comfortable! It’s soft and stretchy and feels great. It has an opening in the rear but seems a bit small so I doubt I’d ever use it. But I love them so much I’m ordering another pair in a different color.
Ed
Reviewed in the United States on October 18, 2022
Button were difficult at first but the more you use them they get easier to do.Very comfortable and warm for being a fairly thin material.
Nathan Lutz
Reviewed in the United States on January 6, 2022
This is a great onesie. Great fit. Great price. But it buttons on the wrong side. I have a terrible time buttoning it up.
Darling Nikki
Reviewed in the United States on February 21, 2021
I actually bought this as a gag gift for my husband. The idea of Long johns with a bootie flap just made me laugh. Much to my surprise, he loves them! They are soft and slightly stretchy so they fit his larger body type perfectly. He's a little short so the crotch area is a little loose, but it is still very comfortable. The flap is functional too once you get the hang of it.
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