With a minimum 10% lower carbon footprint, and a Boost midsole foam that is more than 10% lighter than previous versions, the adidas Women's Ultraboost Light in Chalk White/Chalk White/Clear Pink improves performance, as well as sustainability. The adidas Women's Ultraboost Light uses the lightest Boost foam ever, Boost Light offers even more energy return and cushioning, as well as a lighter feel, for an energised feel underfoot. The foot-hugging PRIMEKNIT+ upper is forged for incredible support, and is made using recycled polyester, 50% of which is Parley Ocean plastic, recovered from coastal communities, remote islands, and beaches. From creation to the end of life, the whole process is designed to lower the greenhouse gas emissions, including a rubber outsole that features 70% natural rubber, 20% virgin rubber and 10% conventional rubber. Regular fit Lace closure adidas PRIMEKNIT+ textile upper Textile lining Linear Energy Push system Light BOOST