Avid hunters count on Rocky to supply them with technology packed gear for the hunt. The Rocky Scent IQ Performance shirt features a comfortable crew neckline. This men's shirt has been treated with Rocky SIQ? Atomic; it's a powerful scent control that prevents your body from emitting unpleasant odors, helps to control perspiration and keeps the upper half of your body dry and comfortable. Pull over shirt is made of 100% polyester. Imported.