For ultimate warmth and comfort, consider the Smartwool Women's Merino 250 Base Layer Bottom. Made with 100% Merino wool, these pants provide excellent insulation and moisture-wicking properties. The fabric is also naturally odor-resistant, making them perfect for multi-day trips. The wide waistband and flatlock seams ensure a comfortable fit without any chafing. Whether you're skiing, snowboarding, or simply enjoying a winter hike, these base layer pants will keep you cozy and dry.