The X-System ¼-Zip Pullover has nano-silver in the fabric which controls bacteria that cause odor and also neutralize existing human odors.  A very comfortable, warm base layer sewn from a lightweight fleece fabric.  With 4 directional stretch and breathable, moisture management properties, this top is designed to keep you drier and thus warmer than the competition.  Wear your new X-System Pro Fleece 1/4 Zip Top on your next hunt for a comfortable, stealth fit while you hunt like a pro.