Cloud 5 The On-fan favorite for all day, re-engineered for an improved fit and even more comfort, no matter the situation. Design Speed-lacing system Forget about tying knots. The Cloud’s speed lacing system locks you in instantly. Want classic laces? There’s a pair of those in the box too. Technology Built different A new increased midsole and an updated CloudTec® configuration make the Cloud’s trademark soft landings more stable – and more unique than ever.