Rothco Heavyweight Thermal Knit Underwear Top
![](https://www.rothco.com/upload/product/product/large/6448-LEFT-C.jpg)
Layer up and stay warm in extreme cold weather with Rothco’s Heavyweight Thermal Knit Underwear Top. Rothco carries a massive selection of cold weather gear including winter jackets, ECWCS gear, and much more.
![](https://www.rothco.com/upload/product/product/large/6454-BACK-D.jpg)
Rothco Thermal Knit Underwear Bottoms
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Rothco Gen III Silk Weight Bottoms
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Rothco Extra Heavyweight Thermal Knit Bottoms - Natural, Medium
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Rothco Extra Heavyweight Thermal Knit Bottoms - Natural, X-Large
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Rothco Natural Heavyweight Thermal Bottoms - 6458