Stay warm and comfortable with the REI Co-op Women's Flannel Base Layer Top. Made from a blend of polyester and spandex, this top offers a soft and stretchy feel. The moisture-wicking technology keeps you dry and comfortable, while the UPF 50 sun protection shields your skin from harmful UV rays. The relaxed fit and long sleeves provide ample coverage, and the button-front closure adds a stylish touch. Whether you're skiing, snowboarding, or simply enjoying a winter hike, this flannel base layer top is a perfect choice for outdoor activities.