ECWCS Gen III Mid-Weight Thermal Grid Fleece Underwear Top (Level II) | Warm Base Layer | Thermal Underwear Top Large Desert Sand
![](https://m.media-amazon.com/images/I/613YMtz6lbL._AC_UY1000_.jpg)
Layer on the warmth with our ECWCS Gen III Level 2 Thermal Grid Fleece Underwear! This thermal undershirt is classified as part of the cold weather
Rothco ECWCS Gen III Mid-Weight Underwear Top
![](https://m.media-amazon.com/images/I/710KZYk5rbL._AC_UY1000_.jpg)
ECWCS Gen III Mid-Weight Thermal Grid Fleece Underwear Top
![](https://www.rothco.com/upload/product/product/large/69020-BACK-D.jpg)
Rothco ECWCS Gen III Mid-Weight Underwear Top (Level II)
Layer on the warmth with our ECWCS Gen III Level 2 Thermal Grid Fleece Underwear! This thermal undershirt is classified as part of the cold weather
![](https://m.media-amazon.com/images/I/71RXxqosJIL._AC_UY350_.jpg)
ECWCS Gen III Mid-Weight Thermal Grid Fleece Underwear Top & Bottom Set (Level II) | Warm Base Layer | Thermal Underwear Set, Large Desert Sand
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Generation_III_Extended_Cold_Weather_Clothing_System_%28GEN_III_ECWCS%29_%284997093828%29.jpg/220px-Generation_III_Extended_Cold_Weather_Clothing_System_%28GEN_III_ECWCS%29_%284997093828%29.jpg)
Extended Cold Weather Clothing System - Wikipedia
![](https://i.ebayimg.com/images/g/LHoAAOSwPuRcE~I1/s-l1600.jpg)
POLARTEC GEN 3 L2 COLD WEATHER WAFFLE SAND TAN SHIRT THERMAL
![](https://i5.walmartimages.com/asr/caa9e090-ed8c-4eb6-9a40-b8dd6f14a19d.1319ae92a2126f3eb5ea88364478efe0.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Rothco Gen III Level II Underwear Top - Desert Sand, 2X-Large
![](https://camolots.com/cdn/shop/files/69044-C_350x.jpg?v=1708207237)
ECWCS Gen III Mid-Weight Underwear Bottoms (Level II) –
![](https://camolots.com/cdn/shop/files/69030-69034-HR32_350x.jpg?v=1708207233)
ECWCS Gen III Mid-Weight Underwear Bottoms (Level II) –