Shop the Nike Zoom Fly 6 'Bright Crimson Lime Blast Mint Foam Cave Purple'. Upgrade your sneakers collection today! Closure: lacing. Toe type: round toe. ZoomX foam, Nike's lightest and most durable, delivers maximum energy return with every step. The full-length carbon fiber plate increases efficiency and responsiveness. The thin rubber tread is designed for lightness and grip on the road. Nike Zoom Fly 6 Bright Crimson Lime Blast Mint Foam Cave Purple