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3D Printed Outsole High cost due to requiring special machines, advanced materials, and unique digital design Example: Adidas 4D midsole/outsole uses Carbon Digital Light Synthesis technology (very expensive for mass production Sticky Rubber Compound (e.g. Vibram®, Stealth®) Moderate cost – depends on the rubber brand. Premium quality, but widely used → more economical for large scale 0 Multi-Directional & Self-Cleaning Lug Design Low to Moderate cost – more about design ingenuity, not expensive materials. Does not require advanced material technology, only molds and initial R&D., create hiking shoes