The Lined Oilskin Chaps are made of 8 oz. waterproof plaid oilskin with plaid cotton lining, full-length side zipper on each leg, and adjustable back strap and front buckle set. 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 equestrian 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.