Featuring the innovative XETIC technology on its midsole, the PUMA Calibrate Runner in the stunning 'Black Elektro Green' colorway boasts a one-of-a-kind foam structure that has been meticulously crafted through rigorous digital experimentation in a laboratory setting. This groundbreaking approach has resulted in a highly effective cushioning system that conforms and adapts with every stride, ensuring an incredibly seamless and pleasurable running experience. Complementing this cutting-edge technology is an engineered knit upper, predominantly styled in a sleek black hue and adorned with striking silver and green fibers, providing a snug and sock-like fit that conforms to the foot's natural shape.