ScentLok Climafleece BaseSlayer Top Black 3X-Large Carbon Alloy technology for odor adsorption;Silver Alloy technology inhibits bacterial growth;Fusix technology eliminates bacteria and controls odors;Wicking treatment for moisture control;Smooth polyester outer fabric for easy layering;Microfleece inner lining for warmth;Rear stretch panels for unrestricted movement;Flat, narrow collar for comfortable layering;Flat-lock seams for next-to-skin comforttable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 5500 Product Group Code: 5500B Product Sub Group 1: 5500B1 Product Sub Group 2: 5500B1D Inactive: Yes