Wellco Hot Weather Jungle BootsThe quality canvas and nylon upper is breathable yet strong. There is also a metal shank inside the sole. The Panama style soles allow mud to flow out the sides to stop your feet from getting sucked down further into mud. These are in new, unissued condition. If you're going outdoors in humid jungle terrain, these are the boots you'll be needing. Features: Genuine military issue Canvas and nylon upper Steel shank, spike protective Rubber "Panama"