A light layer of insulation makes the Sitka Womens Core Midweight Long-Sleeve Crew Shirt an ideal layering piece in frigid temperatures. Polygiene Odor Control technology neutralizes odor by limiting the growth of odor-causing bacteria. The microgrid fleece backer adds a light insulation while actively pushing moisture away from the skin to keep you dry. Flatlock seam construction for comfort. Made of 93/7 polyester/spandex fabric. Imported. Sizes:S-XL. Camo patterns: OptiFade Concealment Elevated II, OptiFade Concealment Subalpine.