The Sitka Core Lightweight Crew LS is made from durable polyester bi-component construction with Polygiene® Odor Control Technology to deliver breathability, moisture management, and odor control. A foundational next-to-skin piece that can span temperature variations throughout the seasons in order to regulate heat and sweat. Whether used as a standalone piece during hot weather or layered into your system, the Core Lightweight Crew will perform across all seasons regardless of the pursuit.