Water repellent. Dickies ScuffGard. Double knees. Zip-to-waist for easy On/Off. Shoulder strap elastic and elastic at waist. Zip close chest pockets & left back pocket. Double knees. Nylon ScuffGard. Heavy duty brass 2-way front zipper. Zipper to waist for easy off & on. Shoulder strap w/elastic back where it is needed most. 10 oz. High Performance Duck,100% Cotton. Lining: 6 oz. Polyester Fill Quilted to Nylon Taffeta.