Dubbed by adidas as ‘the official shoe of fitness,’ the Nano X1 ‘Black Gum’ emerges with a subdued colorway. Built with Flexweave, the shoe’s upper appears in black, incorporating a refined toe shape designed to improve range of motion. A Comfort Collar and Speed Chassis heel counter support the fit, while underfoot, an EVA midsole with Floatride Energy foam provides cushioning. A gum rubber outsole is included for traction.