The Kari Traa Silja Wool Half-Zip Top features exceptionally soft 19.5-micron merino wool that is the next best thing to headed out in your finest cashmere. The wool fibers not only have a luxurious next-to-skin feel, they also provide great insulation performance even if they get damp. Half-zip entry means you can get in and out of the garment easily while also giving you a means of self-regulating temperature on the go. Flatlock seams allow you to explore the mountain without worrying about distracting chafing.