Nike Air Max Dn8 Men's Shoes 'Iron Grey/Bright Crimson' - (FQ7860 005) Colorway: Iron Grey/Bright Crimson Style Code: FJ4241 001 Men's Sizing: 6 - 18 Brand New More Air, less bulk. The Dn8 takes our Dynamic Air system and condenses it into a sleek, low-profile package. Powered by eight pressurized Air tubes, it gives you a responsive sensation with every step. Enter an unreal experience of movement.