The On Running Cloudflow continues to earn its well deserved reputation as the responsive racing flat with excellent cushion. It’s latest version offers a smooth foot strike with an explosive toe-off, delivering a faster feeling experience. The Cloudflow is your ideal model for tempo runs and even marathon efforts. In it’s latest update, you will find a redesigned heel hold, offering more security and a better fit, as well as a redesigned upper and a more lightweight and durable foam. Model Number: 45.99228 Weight: 205grams Width: D - Wide Heel to Toe Drop: 6mm Best for: Road Running Support Type: Neutral MIDSOLE - 18 cloud pods that are soft and cushioned in the heel and interlock with a more firm foam in the forefoot for a responsive take-off - Speedboard provides torsional strength along with an increased ‘spring’ in the toe-off OUTSOLE - Cloudtec Rubber with highwear areas in honeycomb pattern gives you high energy return and increased durability UPPER - Engineered mesh is tweaked with a more forgiving forefoot for maximum breathability and support - Perforated tongue gives ultimate comfort and stops overheating - Built in Sock Liner means premium comfort - Antimicrobial treatment on sock liner helps keep the shoe odor free