Description 10 oz. heavy-duty 100% cotton duck; Medium-weight quilt lined flannel body; Medium-weight quilt lined taffeta sleeves;Action back and pleated elbows; Front welt pockets with snap closure; Three inside chest pockets; Heavy-duty front brass zipper; Hidden storm cuffs; Side vents with snap closure; Reinforced bartacks at stress points; Manufactured in a LEED (Leadership in Energy and Environmental Design) certified factory;