The Smartwool Women's Merino 250 Base Layer Bottom is a top-rated base layer bottom that offers exceptional warmth and moisture-wicking properties. These bottoms are made from 100% Merino wool, providing natural insulation and breathability. They feature Smartwool's 250g/m² fabric, which provides excellent warmth without adding bulk. The bottoms have a wide waistband for a comfortable fit and flatlock seams to prevent chafing. They are perfect for layering under pants, jeans, or skirts, providing superior warmth and moisture management. With their high-quality Merino wool construction, these base layer bottoms are a popular choice among outdoor enthusiasts and athletes.