The Bonny new chukka boot is crafted in extra tough nylon for durability and in a range of utilitarian colors, for style. With rubber panelling side-wall stitching, large air-cushioned chambers in the soles and a wide, comfortable last, these are boots you'll wear for a lifetime. Dr. Martens casual collection takes simple design and fuses it with retro influences and unexpected finishes. Material: Nylon.