Sitka Core Midweight Zip-T – Waterfowl / Optifade MarshYour baselayer should do more than just keep you covered it should regulate your temperature, fight odor, and keep up with your every move in the blind or field. The Sitka Core Midweight Zip T delivers on all fronts. Built with quick dry, midweight comfort stretch fleece, this layer balances warmth and breathability for changing conditions. A high zippered neck lets you control ventilation, while Polygiene Odor Control Technology ensures long lasting