ThermoLine thermal underwear is a base layer which is designed for increased comfort during any physical activity, sports, and as everyday wear.

It is effective at zero and sub-zero temperatures, provides excellent thermoregulation and breathability. The fabric wicks away moisture and dries much faster than cotton, wool, nylon, acrylic, etc. It does not absorb odors. It has powerful antibacterial protection and sweat odor elimination thanks to the freshFX silver-based treatment.