Dana knee boots from CAMPER featuring black, recycled polyester, slip-on style, square toe, below-knee length and low block heel. This item is made from at least 50% recycled or upcycled materials. For recycled synthetic clothing products, we highly recommend using a microfibre-catching washing bag to ensure that no microplastics that can pollute water are released in the process.. Learn more about what makes a product Conscious on our Conscious Criteria page.