Black/silver-tone recycled nylon/leather Re-Nylon riding boots from PRADA featuring round toe, knee-high, pull-tab at the heel, concealed rear zip fastening, detachable coin purse and flat sole. POSITIVELY CONSCIOUS: At least 50% of the main material of this product meets our conscious criteria. For example, it's either organic, recycled, upcycled or independently recognised as being better for the environment (such as linen, ramie, TENCEL™ etc.)..