Cold Weather Lightweight Thermal Undershirt
The Cold Weather Lightweight Thermal Undershirt is a genuine USGI-issue base layer built as part of the U.S. Army's Extended Cold Weather Clothing System (ECWCS). Constructed from lightweight polypropylene, it wicks moisture, dries quickly, and holds body heat without the bulk of heavier thermals. A 1/4-zip pullover front lets you dump heat fast, while elastic wrist cuffs lock the sleeves in place under gloves and outer layers. Ideal for hunters, hikers, campers, and anyone who needs a proven cold-weather base layer that performs in the field.
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- SKU
- USGI-LWCWUS-SHIRT
- Material
- Polyester
- Style
- Military
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As low as:
$13.95
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Description
Features
- Genuine USGI Issue — Officially designated UNDERSHIRT, LWCWUS and issued as part of the U.S. Army Extended Cold Weather Clothing System (ECWCS).
- Polypropylene Construction — Lightweight polypropylene fabric wicks moisture away from the skin so sweat doesn't soak in and chill you during exertion.
- Base Layer Design — Cut to wear directly against the skin underneath BDUs, fatigues, or civilian outerwear as the foundation of a cold-weather layering system.
- Quarter-Zip Pullover Front — 1/4-length front zipper opens the collar for fast ventilation when your activity level spikes and seals up tight when you cool down.
- Elastic Wrist Cuffs — Stretch cuffs hold the sleeves in place under gloves and outer layers without cutting off circulation.
- Quick-Drying Fabric — Synthetic weave dries fast in the field, making it practical for hunting, hiking, and extended cold-weather operations.
- Long-Sleeve Cut — Full sleeve and torso coverage retains body heat where you need it most.
- Military Specification — Built to U.S. military durability standards for hard wear in the field, the woods, or the back forty.
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Customer Reviews
Top customer reviews
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Extraordinary baselayerIt's feels thin but combat cold robustly. Warm and toasty. Keeps cold air out.
Excellent baselayer.
Feels like second skin.
Breathable.None.
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A great baselayerThis undershirt and the corresponding leggings make an excellent baselayer, with a very comfortable fit and smooth, non-snagging texture. Only slightly bulkier than a polypropylene equivalent, and sure to last through years of use. The zip-up collar has an exceptionally good fit to it as well!
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