Whether you're planning on wearing the Smartwool NTS Midweight 250 Top as a baselayer or on its own, you'll be impressed with the quality and comfort of this top. Made with super soft midweight 100% merino wool, and offering chafe-free seam construction and panels that make carrying a pack that much more comfortable, you'll end up wearing the 250 Top for more than just hiking. We'd even go so far as to say that the Smartwool NTS Midweight 250 Top will inspire you to adventure more.