Mid- and late-season trips have unforgiving weather. Meet it with industry-renowned cold-weather performance in the SITKA CORE Heavyweight Base-Layer Bottoms. These bi-component polyester/spandex blend SITKA base-layer bottoms bring lofted insulation and articulated patterning for the most durable, warm, and reliable yet lightweight hunting bottoms you might ever own. Ideal as a base in frigid conditions, SITKA CORE Heavyweight Bottoms add a micro-grid backer for additional warmth and a brushed inner face for unmatched comfort. Flatlock seams provide extra smoothness and durability, making these SITKA pants a vital addition to your SITKA gear and hunting clothing arsenal. Machine wash. Imported. Bi-component polyester/spandex blend Lofted insulation Articulated patterning Micro-grid backer Brushed inner face Flatlock seams