Introducing the Nike Vapormax Flyknit 2021 ‘Grey Light Liquid Lime’, a stylish and sustainable runner built with at least 40% recycled content by weight. The Nike Vapormax Flyknit 2021 is designed with a breathable grey Flyknit upper with translucent green TPU on the toe cap and external heel counter. The full-length VaporMax unit provides incredible cushioning, while the rubber outsole incorporates Nike Grind, made up of post-industrial manufacturing scraps. This shoe is perfect for athletes who want to make a positive impact on the environment.