Run with ultimate lightness & intelligent cushioning. The new Cloud boasts Zero-Gravity foam & On's patented Cloud Tec technology, & is one of the lightest running shoes in the world with outstanding cushioning & impact protection. Feel the combination of a soft landing & an explosive take-off for effortless running performance. On Speedboard consists of four layers which synergise to unleashes the energy of your feet & to promote a more efficient running gait to maximize performance. The Cloud Tec system features series of clever rubber pieces called " Clouds" cushion your landing & then disappear for a completely natural run & an explosive take off.