For a combination of warmth and natural fibers, check out the Helly Hansen Women's Lifa Merino Base Layer Pants. These synthetic base layer bottoms are made from a blend of Lifa and Merino wool, offering excellent insulation and moisture-wicking properties. The pants feature a slim fit and flatlock seams for a comfortable and chafe-free experience. The Merino wool provides natural odor resistance, making these base layer pants perfect for multi-day activities. Whether you're skiing, snowboarding, or simply enjoying the winter outdoors, these base layer pants will keep you warm and comfortable this Christmas season.