The ECWCS Level-1 Underwear are part of the ECWCS (Extended Cold Weather Clothing System) which provides extra warmth in cold climates.

Features:

• Level One Of The ECWCS
• Jersey Knit Silk Weight Underwear Top
• Moisture Wicking Properties Helps Keep You Dry
• Anti-Microbial Properties Help Protect Against Bacteria
• Anti-Odor Prevents Bad Odors
• Features A Long Back Tail And Thumb-Hole Sleeves