This sanded duck cover provides high performance protection from wind, rain, and snow. It has flex fabric from inside to outside along with water repellent. It was designed with bi-swing backs, articulated elbows and knees for superior mobility. Rib knit storm cuffs to keep cold out. Zip to mid thigh with storm flap & Corduroy collar. 10.2 oz., 98% Cotton with 2% Spandex Stretch Duck and DWR - Torso Lining is 3.25 oz. 100% Poly Tricot Quilted to Poly Fill. Sleeve and Leg Lining: 1.9 oz. 100% Polyester Taffeta Quilted to Poly Fill. Generous fit in shoulders and chest, bi-swing back. Provides high performance protection from the elements. Flex duck fabric for ease of movement. Articulated elbows and knees for ease of movement. Double knee with cleanout bottoms to accommodate knee pads. Bi-swing action back for added mobility. Multiple tool and utility pockets and hammer loop. Material: Cotton, Spandex.