Level Two of the ECWCS (Extended Cold Weather Clothing System) Rothco's Mid-Weight Thermal underwear bottoms are an essential base layer for military and tactical professionals. 
Moisture Wicking Polyester/Spandex Underwear Bottoms
Part Of The Army's Extended Cold Weather Clothing System (ECWCS)
Grid Fleece Material With Anti-Odor Defense Properties
Elastic Waist Band
Access Fly
Matching Level II Mid-Weight Top Available