These women’s 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. We have reduced the carbon footprint of this pair of shoes by a minimum of 10% when compared to its previous version. Less greenhouse gas emissions. including CO2. for the full lifecycle — from creation all the way to end-of-life. Better Rubber is an innovative. sustainable compound made from 70% natural rubber. 20% virgin rubber and 10% conventional rubber.