SITKA Gear Core Mid Weight Zip Tee blend CORE MIDWEIGHT ZIP TEE - Available in sizes small, medium, large, x-large, xx-large, and xxx-large. (Available Colors: Elevated II, Open Country, Pyrite, Forest, Marsh, Timber, and Subalpine) COMFORT AND CONCEALMENT - With light insulation and a high zippered neck for fine-tuning your microclimate, the CORE Midweight Zip-T turns up the heat to keep you moving in frigid temperatures. PERMANENT POLYGIENE ODOR CONTROL TECHNOLOGY - Keeps you concealed by neutralizing your odor and stopping the growth of odor-causing bacteria and fungi. CORE MIDWEIGHT SERIES - This is the next to skin foundation for active hunts in cold weather, built with a micro-grid fleece backer that lightly insulates while actively moving moisture away from the skin. SITKA Gear  We pride ourselves on providing the highest quality apparel that ensures youre prepared to tackle any obstacle, in any element, under any condition. Check out our storefront to view our complete line up of industry leading products.