Vintage Carhartt Detroit Jacket, Gravel Gray J97 PTL, Blanket Lined. Butiful faded. Has wear throughout, Holes, destressing, discoloration and other wear, this does not make the item eligible for discounting, on the contrary, It tells an authentic story! The Carhartt Detroit Jacket is a classic. It was originally designed to be a rugged, durable garment for the American worker nearly seventy years ago. Over the years it has achieved worldwide acclaim as a workwear staple that transformed into a streetwear icon.