Due to their loftedgrid fleece backer and articulated patterning, Sitkas Mens Core Heavyweight Bottoms keep your lower limbs warm in freezing weather, even during periods of inactivity, and actively wick moisture away from skin. Brushed inner face is extremely soft. Permanent Polygiene Odor Control technology fights game-spooking odors. Flat-lock seam construction. Bi-component polyester/spandex blend. Imported. Sizes: M-2XL. Camo patterns: OptiFade Concealment Open Country, OptiFade Concealment Elevated II, OptiFade Concealment Subalpine. Type: Base Layer Bottoms.