Sitka Core Lightweight Crew Long Sleeve Shirt - The Sitka Core Lightweight Crew Long Sleeve Shirt is a perfect for all seasons, whether it’s worn on its own in hotter months or as a base layer through the winter. Made with moisture-wicking fabric, this shirt keeps hunters dry, comfortable, and concealed. GORE OPTIFADE Concealment camouflages the hunter in Subalpine (ground level in vegetation-filled terrain), Open Country (ground-level in rocky terrain), or Elevated (tree stand) positions Comfort stretch knit polyester fabric is moisture-wicking, quick-drying, and lightweight Treated with Polygiene Odor Control Technology Style: 10064