The On Cloud X 4 running shoe is a premium sport trainer, that combines style, performance and sustainability. Constructed with a superior nylon upper, these vegan sneakers feature the famous zero-gravity foam cushioning sole technology, a 4D outsole for maximum comfort, signature branding and refined details. The On Clouds make you feel like you're walking on clouds, so you'll keep on running and running with that zero-gravity feeling. On Cloud X 4 Sneakers