The Shock Zero has a honeycomb cutout sole that reduces weight and improves airflow from below. The flyknit upper stretches with your foot rather than fighting against it, making it one of the most flexible shoes in the collection.MATERIALS & CONSTRUCTION Upper: Flyknit cloth combined with PVC for a stretchy, snug fit that holds its shape over time. Outsole: MD (molded) material with a cutout design that reduces weight and adds ventilation. Closure: Lace-up front for adjustable tightness. Style: Low-top elastic sneaker. Unisex fit. Weight: 560g (smallest) to 970g (largest) PRINT QUALITY The print bonds directly into the material rather than sitting on top. It won't crack, peel, or fade with normal wear. High-resolution printing across every customizable surface of the shoe. Full color with no limit on the number of colors in your design.