The Nike Air VaporMax 2020 Flyknit ‘Dark Grey’ showcases a stealthy color scheme on a lifestyle runner built with sustainability in mind. Recycled polyester is used to form the charcoal grey Flyknit upper . enlivened with colorful threads and secured with quick-pull FastFit lacing. The lightweight build rides on a lower-profile VaporMax platform . its full-length structure made with at least 75% recycled TPU.