Nitro Grey/light Grey

The nithtnk Air Zoom Nitro is a running shoe that features a 3-D printed heel to reduce weight and increase responsiveness. It is made with 3-D printed yarn, which reduces the weight of the heel by 20%. The nithtnk Air Zoom Nitro also has Flywire cables integrated in the upper to provide a sock-like fit. This model is ideal for those who want a lightweight, responsive shoe