The Smartwool Women's Merino 250 Base Layer Bottom is a top-selling wool blend base layer bottom on Amazon. Made from 100% Merino wool, this base layer provides excellent warmth and moisture-wicking properties. It features a wide waistband for a comfortable fit and flatlock seams to prevent chafing. The Merino wool fabric is also odor-resistant, making it perfect for extended wear. Whether you're skiing, hiking, or just lounging around, these base layer bottoms will keep you warm and cozy all day long.