SITKA GEAR MEN'S CORE MIDWEIGHT ZIP-T LONG SLEEVE HUNTING SHIRT The CORE Midweight Zip-T features quick-drying comfort stretch mid-weight fleece and a high-zippered neck to keep your active body temperature regulated as the thermometer rises or plummets. Polygiene Technology and a low-profile flatlock seam construction make this a versatile next-to-skin layer for a wide range of conditions and activity levels. Chest pocket with Gore Optifade Concealment YKK zipper. SITKA DESIGN Hunting is an exercise in humility. We might be at the top of the food chain, but when it comes to fair chase pursuits of species that evolved over thousands of years to survive relentless predators and the harshest conditions imaginable, we are simply outmatched in the wild. Gear has the potential to level the playing field. It can help us integrate with the world and to go places and withstand conditions we never thought possible. It can improve focus, success, and enhance the entire experience. Hunting demands a lot from our gear, and we are committed to providing the advanced fabrics, smart design and specialized features hunters deserve. This commitment to innovation continues to inspire everything we do.