Cotton Duck Blanket Lined Detroit Jacket Featuring a 70% acrylic 30% polyester blanket lining, the zipper front Detroit Jacket is constructed of 12 oz, firm-hand, 100% ring spun cotton duck, Corduroy top collar features snaps for optional hood. Jacket also features left chest zipper pocket, two front welt pockets, snap-adjustable waist tabs and cuffs, bi-swing back, and bar tacks at vital stress points. Jacket is water-repellent until washed. Re-treat to restore water-repellent properties.