Aera Blondie Mule Luxurious and sustainable, Aera declares itself to be certified vegan and uses a plethora of other eco-friendly materials too. In addition to its in-house sustainability efforts, the shoe brand also invests in projects aimed at environmental restoration, such as global reforestation leader GreenTrees. Aera Blondie Mule ($375) Image Source: aeranewyork.com Aera Blondie Mule $375 from aeranewyork.com Buy Now