The Smartwool Women's Merino 150 Base Layer Bottom is a lightweight and versatile option for women's wool blend base layer bottoms. Made from a blend of Merino wool and synthetic fibers, these base layer bottoms offer excellent moisture management and temperature regulation. The fabric is soft against the skin and has a UPF 30+ rating for sun protection. The Merino 150 Base Layer Bottoms have a slim fit and a wide waistband for a comfortable fit. Whether you're hiking, running, or just need an extra layer of warmth, these base layer bottoms are a reliable choice.