100785 - M FR Extremes Arctic Biberall This durable biberall is highly wind-resistant, features superior insulation, and shrugs off the worst Mother Nature can dish out. • 9-ounce FR canvas 88% cotton/12% high-tenacity nylon • 3M™ Thinsulate™ 200-gram Platinum Insulation FR for warmth • Wind Fighter® technology tames the wind • Heavy duty two-way zipper with Nomex® FR zipper tape • Full-length storm flaps • Two large, lower-front pockets • Two reinforced back pockets • Double knees with cleanout bottoms that can accommodate knee pads • 2-inch yellow-silver-yellow contrasting stripe with 3M™ Scotchlite™ reflective trim (#8940) around legs • Meets the performance requirements of NFPA 70E