This Jackhammer is made of genuine 12 oz. Waterproof Oilskin with a quilted brushed tricot lining. It boasts a waist length cut with expandable back for ease of movement. The adjustable waist tabs and cuffs, nubuck leather collar and slash pockets, and zippered chest pocket and inside pocket make this jacket stylish and comfortable for work use. Over the last 25 years, the Outback name has come to mean fine oilskin apparel. Using premium Australian oilskin fabric and skillful craftsmanship developed over more than two decades, we offer the best waterproof oilskin apparel for working western lifestyles, traditional English equesterian pursuits and casual country wear. We're proud of our Outback brand and what it means: superior materials and workmanship, authentic styles and new ideas, rugged details and components designed to head off foul weather ahead.