Powered by ODLO's advanced seamless knitting technology, this advanced women's Performance Evolution Warm long underwear bottom is the perfect first layer for high performance in low temperatures. Engineered with advanced Evolution Light fabric, these lightweight yet warm base layer bottoms feature a luxuriously brushed inner fabric that provides great next-to-skin comfort as well as extra insulation. Meanwhile, the seamless construction's body-mapped stretch and ventilation zones deliver excellent thermoregulation and freedom of movement. Ideal for high-intensity, cold-weather activities like Nordic skiing and ice climbing, these ultra tech Performance Evolution Warm from ODLO have it all – soft, seamless comfort, stretch, warmth and built-in freshness thanks to ODLO Effect's advanced antibacterial fabric treatment.