The Rocky Athletic Mobility Fleece Jacket is a men's camouflage jacket designed for warmth, comfort and function. The outdoor jacket has the technology Rocky Scent IQ which controls human scent at a microbial level. That feature makes this a great hunting jacket because it keeps you from giving away your position when stalking prey. Of course, the Realtree Xtra camo pattern also makes hunting easier as you blend with your surroundings. Material: Polyester.