SITKA MEN'S GRINDSTONE WORK VEST Minimal in weight and bulk but packs a punch for core warmth. The Grindstone Vest combines GORE-TEX INFINIUM WINDSTOPPER technology with PrimaLoft Silver insulation to cancel out the chills on windy workdays and provide core warmth. The watertight finish allows this vest to perform double duty as a standalone outer layer or a heat trapping insulator. Highly packable, the Grindstone can be stowed away in your truck's glove box. Our passion for pursuing big game, whitetail, or waterfowl on their home turf consumes us around the clock. It’s those moments of connection with the landscape and wildlife therein that shapes our lives beyond those days spent in the field. So our obsession with innovation and design reaches into everyday life. Whether training for the hunt, working the land or navigating uncharted places, SITKA Everyday products deliver the same level of quality and performance out of the field as they do in it. Product Care Routine Care and maintenance ensure the optimum performance of your SITKA Gear. Be sure to follow the manufacturer’s care instructions –typically found on the inside tag. - Machine Wash Cold Delicate + Tumble Dry Cool - Do Not Bleach + Do Not Dry Clean