Made from heavy duty, durable 12 oz. 100% cotton boulder cloth canvas, washed for comfort and flexibility Diamond quilted, comfortable Brushed Tricot lining in the body and hood with nylon lined sleeves and 3 oz. Of Poly fill insulation throughout Flat rib knit cuffs and waistband with Spandex for superior stretch and recovery Articulated elbows and three-piece hood designed to Contour for a comfortable fit Heavy-duty metal zipper with easy grab puller.