We made the Backcountry Pines Microgrid Ultra-Lt Baselayer Bottom for chilly days when we're snowshoeing our favorite winter trails and skinning into the backcountry. The interior of the pants is designed with a microgrid pattern that manages moisture while helping us thermoregulate, and the stretch fabric gives us total freedom of movement on technical adventures. The smooth outer material slips on effortlessly beneath our bibs, and the HeiQ Fresh FFL odor control technology keeps us smelling fresh after a long day in the mountains. ideal for alpine dawn patrols and frigid snowshoe treks micrrid interior locks in warmth and breathes with effort stretch fabric gives full range of motion for scrambling odor-fighting heiq tech stays fresh through long tours smooth exterior slips under shell pants with ease wide waistband never pinches or slips during activity slim fit is easy to layer for deep cold made with recycled fibers for reduced environmental impact