Layering Systems & Underwear
Base layers and moisture-wicking underlayers determine how comfortable you stay across temperature changes in the field. FirstLineHQ stocks Rothco layering systems including thermal underwear, ECWCS base layers, and midlayer pieces that work as part of a complete cold-weather clothing system. Military-spec base layers in thermal grid fleece, polypropylene, and moisture-wicking fabrics. Build a complete cold-weather system or replace individual layers without buying a full new kit.
26 productsShowing 25–26 of 26 results
