Lightweight and breathable Signature speed-lacing with elastic laces Updated Speedboard Zero-Gravity foam Round toe On CLOUD 5 :: This running shoe won't weigh you down. The lightweight, updated Men's On Cloud 5 gives you maximum impact protection thanks to revolutionary Cloudtec in Zero Gravity foam absorbing both vertical and horizontal forces. The new midsole with increased height and a closed channel forefoot add cushioning and stability to this shoe's signature soft landings. Not to mention, your energy won't be wasted with an updated Cloud 5 Speedboard that literally propels you towards your next PR.