Sitka Heavyweight Zip-T Whitetail - Optifade Elevated IIWith lofted fleece insulation and a high zippered neck for fine tuning your microclimate, the Heavyweight Zip T keeps you comfortable in cold conditions. Permanent Polygiene Odor Control Technology neutralizes odor by stopping the growth of odor causing bacteria and fungi. The Heavyweight Series is the midlayer solution for static hunts in cold weather or intermittent activity in frigid conditions with a lofted fleece backer that retains warmth while