The Heavyweight Bottom keeps your lower limbs comfortable during long periods of frigid inactivity while wicking away moisture when hiking on cold late-season hunts. The heavy comfort stretch fleece supplies a wood stove's warmth with channeled construction for added breathability and moisture management. Permanent Polygiene(R) Odor Control Technology neutralizes odor by stopping the growth of odor-causing bacteria. Minimal seaming, low-profile flat lock seam construction, and a low-profile elastic waistband provide the highest tier of comfort as you layer and adapt to your conditions.