The Smartwool Women's Merino 250 Base Layer Bottom is another highly rated option on Amazon. These bottoms are made with 100% Merino wool, which is known for its softness, breathability, and odor resistance. The Merino 250 fabric provides excellent insulation and moisture-wicking properties, making them suitable for a wide range of outdoor activities. The flatlock seams and wide waistband ensure a comfortable and chafe-free fit. These base layer bottoms are available in different sizes and colors to suit your style.