Get the perfect fit for your footwear with the Wiivv Custom Fit 3D printed sandals. Through the use of an app on your Smartphone, you simply scan your feet to create a digital map. In addition, the arch support is custom designed too. Finally the heel cups are deep enough to stabilize our foot and absorb shock with every step. To achieve maximum comfort and style, the Wiivv Sandals also come with adjustable and interchangeable straps. Each aspect of the Wiivv Sandals has been thoughtfully designed to keep your feet comfy. Additionally, the triple density supportive foam foot bed is also 100% recyclable.