Features/Benefits: These running shoes have a flexible and supportive build to take on the most demanding runs. They're made with BOOST Light, our lightest BOOST ever more than 10% lighter with even more energy return and cushioning. The foot-hugging adidas PRIMEKNIT+ upper is forged for incredible support. This shoe's upper is made with a high-performance yarn which contains at least 50% Parley Ocean Plastic reimagined plastic waste, intercepted on remote islands, beaches, coastal communities and shorelines, preventing it from polluting our ocean. The other 50% of the yarn is recycled polyester. Less greenhouse gas emissions, including CO2, for the full lifecycle from creatio BOOST LIGHT: Our lightest Boost ever with even more energy return. CONTINENTAL Natural Performance rubber: Better Rubber has less of an environmental impact as compared to traditional synthetic rubber that is made from fossil fuels CONTINENTAL Natural Performance rubber: Natural rubber is sourced from the latex that is tapped from rubber trees a renewable resource Made with Parley Ocean Plastics Primeknit+ forged