Mossy Oak APX Scent Stop Ballistic Long Sleeve Turtleneck is designed to be your all-season defense against odor-causing bacteria and moisture. The shirts can be worn as your outer layer on the hottest days, or layered with other items on cooler days. Each Ballistic product has flat-seam construction for added comfort against your skin. Designed to be your first line of defense in your scent-control system, this base layer shirt features our ScentStop anti-microbial technology to kill the bacteria that causes human scent.