The Smartwool Women's Merino 150 Baselayer is a popular choice for hikers looking for a versatile and comfortable bodysuit top. It is made from a blend of merino wool and synthetic fibers, offering excellent moisture-wicking and odor-resistant properties. The baselayer has a slim fit design with a crew neck and short sleeves, making it suitable for layering under other clothing. It also features flatlock seams to prevent chafing and a UPF 30+ sun protection. Whether you're hiking in hot or cold weather, the Merino 150 Baselayer will keep you comfortable and dry.