8.5 oz. sanded 100% cotton duck; Lining: 100% polyester; Regular fit lets you move comfortably and freely; Duck canvas exterior is garment-washed for softness; Sherpa lining for warmth; Ribbed collar for softness; Full zip closure with heavy-duty zipper in antique brass finish; Interior multi-use pockets; Dropped hem for added coverage and warmth while bending