A great extra layer, Carhartt's Duck Vest is made of cotton duck and insulated for warmth. Rib knit collar. Brass center-front zipper with interior storm flap. Interior pocket with hook and loop closure. Two large insulated lower-front pockets. Locker loop. Drop tail hem. Carhartt-strong, triple-stitched main seams. Carhartt label sewn on left pocket. 100% ring spun Cotton duck canvas. Water-repellent and wind-resistant. Nylon lining quilted to arctic-weight Polyester insulation.