Designed from the ground up to be Nike’s most sustainable shoe, the Air VaporMax 2020 Flyknit is constructed with 50% recycled content. There are a few qualifiers but this minimalist high-tech runner achieves a standard of efficiency & sustainability called Circular Design. The shoe features the brand’s first full-length VaporMax air unit and the Flyknit upper is made of yarn containing 67 percent post-industrial recycled content. Available July 23.