ECWCS Thermal Layers

Gen III Level I Silk Weight Underwear Tops are part of the ECWCS (Extended Cold Weather Clothing System) which provides extra warmth in cold climates.   Jersey Knit Silk Weight Underwear Top Moisture Wicking Properties Helps Keep You...

Constructed with the water-resistant outer shell and PrimaLoft Sport thermal bonded high-loft insulation Highly durable and breathable Maintains warmth even when wet Color: Urban Gray Zippered fly opening Elastic waist with...

UA Base™ 4.0 Extreme Baselayer is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air against your...

UA Base™ 4.0 Extreme Baselayer is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold   UA Scent Control Technology to keep you undetected in all pursuits   Soft, brushed grid...

Get the goods that keep you basically warm and dry. The Military Issue Primaloft Base Layer I is perfect for mild temperatures and workout performances. Wear it under, by itself, or paired with any of the other 6 layers in the ECWCS line of military wear...

Get the goods that keep you basically warm and dry. The Military Issue Primaloft Base Layer I is perfect for mild temperatures and workout performances. Wear it under, by itself, or paired with any of the other 6 layers in the ECWCS line of military wear...